Union vs Union All in SQL: Key Differences and When to Use Each
This article dives into the key distinctions, use cases, and best practices for UNION and UNION ALL in SQL.
Published January 13, 2025
Interview Query Blog
Best Platforms to Practice SQL in 2025
In this article, we’ve gathered the best platforms to learn and practice SQL in 2025. We hope you find the most appropriate tool for your needs.
Published January 13, 2025
Window Functions in SQL: A Complete Guide in 2025
In this article, you'll learn how to use window functions in SQL to perform advanced calculations like running totals, rankings, and moving averages. It covers their syntax, key components, practical applications, and optimization tips to help you analyze
Published January 8, 2025
Top Companies for Data Engineer Jobs in 2025
In this article, we will recommend a list of companies based on benefits, salary, work-life balance, and other amenities.
Published January 10, 2025
How to Gain SQL Experience: A Step-by-Step Guide for Beginners
SQL is among the skills learned in a minute but takes years to master. We’ve crafted this step-by-step guide to not only strengthen your technical skills but also prepare you for tackling practical challenges in the industry with confidence.
Published December 17, 2024
Top Sklearn Datasets for Machine Learning Projects
In this article, we explore the top sklearn datasets for machine learning projects, including toy, real-world, and synthetic datasets, to help you practice and build models efficiently. Each dataset is detailed with its features, targets, and code example
Published December 17, 2024
Common SQL Interview Mistakes and How to Avoid Them
Practicing SQL interview questions can reveal common mistakes that often trip up candidates during high-pressure technical interviews. To help you prepare and avoid these pitfalls, we've outlined the most frequent errors candidates make.
Published December 12, 2024
Python vs SQL: Which One Should You Use and Why?
In this article, you will learn the difference between Python and SQL to help you decide which tool is best for your data needs. We’ll explore the strengths and roles of both languages to give you a better understanding.
Published December 10, 2024
Data Engineer Jobs & Career Paths: Roles, Salaries, Expectations
Since you're exploring data engineering roles, we've compiled essential details to give you a clearer picture of what to expect in the role and how to effectively advance your career.
Published December 9, 2024
19 Python Projects for Beginners
To help you get started, we have compiled 19 Python projects for beginners. In this list, we highlight the objectives of each and the skills you’ll learn by completing them.
Published December 9, 2024
How to Create a Data Analyst Resume Without Experience
In this article, we’ll go through the critical components of a data analyst resume without experience that have the potential to make or break your application.
Published December 8, 2024
How to Become a Supply Chain Analyst: A Student’s Guide
In this guide, we’ll tell you what it takes to go from student to supply chain analyst. We’ll explain what a supply chain analyst does, the skills needed, the steps in this career path, and more.
Published January 10, 2025
Top 20 Free Dataset Sources for Data Science Projects
To help you focus on your project and not worry about data quality, we’ve gathered the best websites with repositories for free data science datasets you can build a solid foundation on.
Published January 10, 2025
How to Become a Machine Learning Engineer in 2024
There are multiple facets to becoming a machine learning engineer and staying on top of the game, from having the necessary skills and educational background to earning the needed certifications and practicing interviews. Before we dive deep into how to b
Published December 7, 2024
Is Statistics Hard for Data Science Students? Tips for Success
This article discusses whether statistics is challenging for data science students. Additionally, we explain why this is the case and the approaches you can take to more easily acquire and understand the statistical knowledge you need as a data scientist.
Published January 10, 2025
11 Machine Learning Projects For Beginners
This article takes you through 11 of the best machine learning projects for beginners today. These projects offer a solid introduction to different concepts, help hone your problem-solving skills, and get you working on real-life applications of machine l
Published December 7, 2024
Data Engineering Master’s Degree Guide 2024: Programs, Costs & Expectations
In this article, we’ve explored the fundamentals of data engineering master’s programs and the career advantages you can expect by enrolling in one.
Published December 4, 2024
Free Tools and Resources Every Data Science Major Should Know About
We’ve selected these 17 specific tools because they cover core needs in data science, from data visualization and statistical analysis to machine learning and data cleaning.
Published November 27, 2024
How Long Does It Take to Become a Data Analyst?
You're in the right place to discover the steps involved in becoming a skilled data analyst and to learn how long it might take to reach your goal.
Published November 22, 2024
From Amazon to Intuit: Keerthan Reddy’s Journey to Becoming a Senior Data Scientist
Despite the challenges and what we believe was a “pretty intensive interview,” Keerthan’s strategic preparation paid off, earning him the desired position at Intuit and a 20% salary increase.
Published December 11, 2024
November Data Science Job Market Report (2024)
In a surprising and significant shift, job listings from FAANG companies (Facebook, Amazon, Apple, Netflix, and Google) grew by a remarkable 69.1% from September to October 2024.
Published November 21, 2024
How Business Analytics Students at Purdue Achieved 100% Job Placement
Since partnering with Interview Query in 2022, the platform has provided tailored learning paths, peer-to-peer mock interviews, and an extensive library of technical questions, helping students strengthen their skills in SQL, coding, and data analysis.
Published November 14, 2024
20 Beginner to Advanced Data Science Projects for Students
In this article, we've curated a list of 20 datasets, ranging from beginner to advanced, to help you kick-start your projects.
Published November 4, 2024
How to Land Your First Data Science Job: From Student to Data Scientist
In this article, we dive into the journey of an early-career data scientist and how you can go from student to associate data scientist.
Published November 4, 2024
How to Become a Data Engineer in 2024: Your Guide to This In-Demand Career Path
With data engineering skills ranging from knowledge in programming languages to building systems that manage big sets of data, data engineering is an in-demand career and is essential to many companies and corporations.
Published November 4, 2024
9 In-Demand Entry Level SQL Jobs You Can Apply For (Updated in 2025)
In this article, we explore nine entry-level SQL jobs that might suit you, covering job responsibilities, potential salaries, and essential skills for success.
Published January 11, 2025
From Capital One to New Heights: Jayandra Lade’s Data Science Journey
His career kicked off at Capital One, where he gained invaluable experience in data migration and automation. As his knowledge and skills grew, so did his ambition—leading him to land a position at Amazon.
Published October 22, 2024
October Data Science Job Market Report (2024)
This month's job market report reveals notable hiring trends and company dynamics shifts.
Published October 8, 2024
Navigating the New Age of Interviews: A Data Scientist’s Experience
As interviews increasingly move online, the whole concept of interviewing has changed over the past couple of years, and you have probably felt this change as well.
Published October 2, 2024
From Finance to Data Engineering: Hanna Lee's Success Story
This week, we caught up with Hanna Lee, a recent USF graduate who started in finance before deciding to become a data practitioner.
Published September 17, 2024
How to Create a Stand Out Data Analyst Portfolio (Updated for 2025)
You've come to the perfect place to discover what your data analyst portfolio should include and how to elevate it to stand out.
Published January 9, 2025
September Data Science Job Market Report (2024)
In August 2024, the data science job market experienced significant changes, highlighting a dynamic and evolving landscape.
Published October 8, 2024
Top 5 Fraud Analyst Interview Questions for 2024
Fraud analysts use data analysis and investigative techniques to identify and prevent rogue activities. As someone applying for a fraud analyst role, you’ve come to the right place to catch a glimpse of questions that can be expected in its interview.
Published September 5, 2024
Entry Level Data Science Jobs: What to Expect and How to Get Started (Updated for 2025)
In this article, we’ll explore the entry-level data science jobs in 2025 that you can secure without extensive experience or a decorated resume.
Published January 11, 2025
August Data Science Job Market Report (2024)
August 2024 began with a stock market scare that quickly bounced back. Trends in August data science job market give a promising outlook.
Published September 10, 2024
Data Scientist vs Data Engineer: Which Career Path is Right for You? (Updated in 2024)
Understanding the difference between a data scientist vs data engineer is key if you’re considering a data-centric career. In this article, we’ll explain the difference between the two, the responsibilities of each expert, salaries, skills, and more to he
Published December 8, 2024
Top 27 Data Science Coding Interview Questions (Updated for 2024)
To reinforce your preparedness for the upcoming data science interview, we’ve compiled a list of data science coding interview questions in this article that you’ll find challenging and useful.
Published December 19, 2024
From Chemical Engineering to a Data Scientist in the US Tech Industry: Hoda Noorian's Journey
Meet Hoda, a dynamic data scientist who went from studying chemical engineering in Iran to thriving in the US tech industry.
Published August 5, 2024
How to Use GROUP BY in SQL With Examples (Updated for 2024)
In this article, we’ll go through how to use GROUP BY in SQL and address some real-world questions you might encounter in upcoming interviews.
Published December 18, 2024
What Is a Data Science Mentor and How Do I Find One? (Updated in 2024)
In this article, learn what a data science mentor is and how they can help with your job search, offering guidance and support to advance your career in data.
Published December 18, 2024
How to Hire a Software Engineer in 14 Steps: Complete Guide For 2024
This guide will help you navigate the hiring process to find the ideal software engineer, ensuring your team is productive, innovative, and thriving in the long run.
Published July 11, 2024
Using SQL PARTITION BY (Updated in 2024)
This article explains how you can use the SQL PARTITION BY clause to separate records and perform operations on them. We’ll show which functions can be paired with this clause and have included examples to help you understand how this clause is applied.
Published December 11, 2024
SQL Temp Table: How to Create One (Updated in 2024)
As the bedrock of relational databases, tables are fundamental in SQL. Deviating from our standard article, we’ll discuss a unique table called the SQL temp table, which exists only to be dropped.
Published December 19, 2024
From Student Projects to Senior Engineer: Nathan Fritter's Success Story at Capital One
Learn how Nathan Fritter, now a Senior Data Engineer at Capital One, successfully navigated the competitive field of data science using strategic networking, leveraging platforms like hired.com, and more.
Published June 20, 2024
The Interview Query 2024 Data Science Report: The Rise of AI Jobs (Updated in 2025)
The 2024 Data Science Report explores the shifting job market, analyzing tech layoffs, post-COVID interview trends, and AI's impact, with insights for data scientists and engineers.
Published January 11, 2025
How to Hire Data Scientists (Updated in 2024)
This article explains the need for hiring data scientists today and where to find good candidates. We also look at how to recruit them, write job descriptions that attract the right applicants, interview prospective data scientists, and assess candidates.
Published December 10, 2024
![Top 45 MySQL Interview Questions You Must Know In 2024 [Basic to Advanced]](/_next/image?url=https%3A%2F%2Fd2qpirhrfplx04.cloudfront.net%2Ffe662312-d7cd-4a35-b222-02bfff3b498c.jpg&w=828&q=75)
Top 45 MySQL Interview Questions You Must Know In 2024 [Basic to Advanced]
If you're searching for a comprehensive guide to MySQL interview questions, then you've come to the right place. This page is tailored specifically for you. Click here to dive deep into the subject and master everything you need to know about MySQL interv
Published November 1, 2024
Top 57 PostgreSQL Interview Questions + Answers in 2024
As you go through this PostgreSQL interview questions guide, you'll learn about all the possible questions and tips that hiring managers might ask during your interview. Read all about it here!
Published September 6, 2024
Top 17 Machine Learning Case Studies to Look Into Right Now (Updated for 2024)
Machine learning is one of the most valuable skills that a data science professional can have in 2024. In this article, we'll provide you with the top machine learning case studies to look into.
Published August 31, 2024
Is Data Science a Good Career Choice in 2024? (Answered)
Uncover the factors in data science that contribute to its appeal, including job market demand, earning potential, and the evolving landscape of data-driven industries.
Published July 31, 2024
How to Get a Data Science Internship (Updated in 2024)
This article will cover how to land a data science internship and share a few tips to effectively implement the strategies, together with what to expect as a data science intern.
Published December 11, 2024
![How Hard Is It to Get a Google Internship? [ANSWERED]](/_next/image?url=https%3A%2F%2Fd2qpirhrfplx04.cloudfront.net%2F526559d4-baf4-47ee-8e7d-e2b94a20bde9.jpg&w=828&q=75)
How Hard Is It to Get a Google Internship? [ANSWERED]
If you're struggling to understand how hard it is to get a Google internship, this article is what you need. We've prepared the coherent steps necessary for you to land an internship at Google!
Published November 11, 2024
15 Highest Paying Data Science Jobs in 2024: Data Science Salary Insights
Read through this list of the highest-paying data science jobs. From roles such as Data Scientist to AI Architect, we've covered everything here!
Published October 23, 2024
Top 27 Data Science Companies to Check Out in 2025
If you're looking to know more about the top 27 data science companies right now, read through this article as we dive deep into the most notable ones you can consider applying to!
Published January 7, 2025
![How to Get a Data Analyst Internship in 2024 [Full Guide]](/_next/image?url=https%3A%2F%2Fd2qpirhrfplx04.cloudfront.net%2F7f852146-ddd3-4b68-9a2a-c21df6893844.png&w=828&q=75)
How to Get a Data Analyst Internship in 2024 [Full Guide]
Familiarize yourself with the responsibilities and skills required for a data analyst role. This includes proficiency in data analysis tools like Python, SQL, or Excel, as well as understanding statistical concepts.
Published September 30, 2024
![How to Optimize SQL Query with Multiple JOINs [Complete Guide]](/_next/image?url=https%3A%2F%2Fd2qpirhrfplx04.cloudfront.net%2Fa7b8f17b-3a30-4291-9c77-5b8ad54ab0fb.png&w=828&q=75)
How to Optimize SQL Query with Multiple JOINs [Complete Guide]
In this article, we'll discuss optimization strategies that can help mitigate issues. But first, let's understand the common challenges in optimizing SQL queries with multiple JOINs.
Published May 17, 2024
7 Best Business Analytics Projects for Your Resume (Updated for 2024)
When approaching a business analytics interview, it’s imperative to recognize that your responsibilities will include understanding the business, identifying requirements, communicating, and making presentations and managing. With that, we’ve compiled the
Published December 18, 2024
How he transitioned from Financial Analyst to Data Scientist at Credit Expert: An IQ Success Story
This week, we've talked with Muhammad Imran Haider, and explored how he transitioned from doing financial analysis for commercial projects to practicing data science at Credit Expert.
Published April 3, 2024
Top 29 Artificial Intelligence (AI) Project Ideas (Updated in 2024)
We compiled 29 of the best artificial intelligence project ideas you can work on this year. We made sure there’s something for everyone on our list, whether you’re a beginner just dipping your toes in, a seasoned pro looking for a challenge, or somewhere
Published December 12, 2024
From Working in HR for 7 Years to Tech: An IQ Success Story
In this success story, we’ll explore how Dania transitioned from working in HR to attending OSU's data science program, and ultimately being hired for her very first data science position.
Published April 3, 2024
12 Best Product Analytics Books to Read in 2024
If you are currently exploring product analytics for the first time, or looking to improve your understanding, then this guide is for you.
Published December 12, 2024
Top 10 Best Companies to Work for as a Data Analyst in 2024
Data analysts still hold some of the most in-demand qualifications in the job market in 2024. Many employers are hiring for this position, but some have more to offer.
Published August 6, 2024
She Got 2 Offers in 3 Months using Interview Query!
After graduation, she worked as an Actuarial Analyst for almost four years. She then turned to Interview Query when she needed to prepare for her career change, and within three months she had two solid offers.
Published January 20, 2024
The UCLA and Interview Query Partnership and Why It Was a Success
We caught up with the UCLA Director of Career Services, Larry Braman, to understand where MSBA students were experiencing challenges in 2021, and how Interview Query has filled the gap since then.
Published May 16, 2024
She Landed Her Dream Job After 4,200 Applications with The Help of Interview Query!
Simran Singh is a recent graduate of the University of Minnesota with a Master’s in Business Analytics. She took the time to talk more about her background and job h
Published January 1, 2024
Data Science vs Computer Science: Which Career Is Better in 2024?
Data scientists and computer scientists are two of the most in-demand experts right now, and choosing between the two careers can be hard.
Published November 11, 2024
17 Python Projects for Your Resume (Updated for 2024)
In this article, we have curated an extensive list of Python projects perfect for enhancing your resume and demonstrating your skills to future employers.
Published August 2, 2024
Data Science Success Story: Re-Tooling Mid-Career
Data scientist Alex Dang used Interview Query to keep his skills and knowledge fresh in between jobs. After facing a layoff from a rideshare company, he found himself in the competitive pool of candidates for his next opportunity in the industry.
Published December 15, 2023
Top 35 Analytics Manager Interview Questions in 2024
If you’re searching for a comprehensive guide to acing an analytics manager interview, you’ve come to the right place.
Published July 25, 2024
December Data Science Job Market Report (2023)
Overall, data science listings remain below historic levels, but that has allowed FAANG to jump ahead in the share of total listings!
Published December 7, 2023
Top 15 SQL Scenario Based Interview Questions with Answers (2024)
We’ve compiled the top 13 SQL scenario-based interview questions you can practice to pinpoint your skill level and improve. The problems and solutions are well-explained to assist you in understanding how you can approach similar questions in an actual in
Published July 31, 2024
Multiple CASE WHEN in SQL: Full Guide with Examples (2024)
In this article, we explore the significance and application of the Multiple CASE WHEN statement in SQL, along with some examples that you might encounter in a technical interview.
Published August 23, 2024
SQL JOIN on Multiple Columns: A Full Guide (2024)
In this article, we will explore an important application of SQL JOINs, namely: SQL JOIN on multiple columns.
Published June 24, 2024
How To Use CASE WHEN With SUM: A Full SQL Guide (2024)
In this article, we’ll briefly touch upon the SUM() and CASE() functions, some common use cases, and how the two functions can be nested.
Published August 25, 2024
From Layoff to Multiple Job Offers: Securing a Product Analyst Role Amidst Master's Degree
This week we caught up with Chandini Ramesh, who has held product analytics roles at Primer AI and Gloss Genius while attending graduate school at Georgetown University.
Published December 15, 2023
The October 2023 Data Science Job Market Report
Overall, data science listings are in a holding position, with the exception of FAANG capturing a growing share of total postings and Business Intelligence taking off since the summer!
Published November 5, 2023
20+ Data Engineering Projects You Must Know in 2024
Many data engineers today have a robust portfolio of projects. Not only are these projects proof of strong technical experience, but they also showcase problem-solving abilities, creativity, and an aptitude for translating complex data needs into scalable
Published August 18, 2024
University of Washington - Masters of Data Science Review (Update for 2024)
Today, we're taking a closer look at the UW MSDS program, including admissions, academic requirements, and fresh perspectives from UW graduates.
Published November 1, 2024
Top 29 Linear Regression Interview Questions (2024 Update)
In this article, we’ll go through the most commonly asked linear regression interview questions, as well as a few tips to help you crack them.
Published August 6, 2024
Top 17 Customer Churn Datasets and Projects (Updated for 2024)
In this article, we're discussing customer churn. We've scoured the internet for different kinds of customer churn datasets to highlight our favorites in order of difficulty.
Published August 19, 2024
Top 20 Marketing Analyst Interview Questions
In this article, we'll dive into interview questions you can use to prepare for an interview for the marketing analyst role.
Published August 4, 2024
Is Being a Data Analyst a Stressful Job in 2024?
Data analysts clean, analyze, interpret, and present data in order to gather business insights, drive business decisions, or create explanatory reports on observed phenomena. This role clearly encompasses a broad array of responsibilities, and raises the
Published October 23, 2024
Success Story: Acing the Senior Data Scientist Interview at Intuit
This week we've caught up with Owen, who joined Intuit after completing his Bachelors in Data Science at UCSD in 2020 and followed an unconventional path.
Published October 27, 2023
Master's in Data Engineering Guide (Updated in 2024)
In this article, we'll explore what a master's in data engineering is and whether it's worth investing in.
Published December 17, 2024
How to Transition from a Data Analyst to Data Engineer in 2024
In this blog, we look at the differences between the data analytics and data engineering roles, as well as the implications of a transition from one role to another.
Published September 6, 2024
Top 28 Supply Chain Analyst Interview Questions (Updated in 2024)
In this article, we'll dive into an overview of the position, similar analyst roles in the industry, and some supply chain analyst interview questions you can use to prepare for the role.
Published December 19, 2024
SQL Left Join To Combine Multiple Rows: A Full Guide
Discover an in-depth exploration of SQL LEFT JOIN, detailing its syntax, applications, and best practices to efficiently combine multiple rows from different tables.
Published June 24, 2024
September 2023 Data Science Job Market Update
From July to August of this year, almost all data science positions saw month-over-month increases. Data scientist positions saw the highest gains, with a 25% increase in job openings.
Published September 26, 2023
Top 22 Business Analyst Interview Questions in 2024
In this module, we cover the two key elements for acing a business analytics interview: understanding the business analyst role deeply and being well-prepared with the necessary tools and skills.
Published August 18, 2024
Student Spotlight: New Grad's Soaring Success at SoFi
Dive into the 2023 journey of a fresh grad's rise in data science, from interview prep to landing a role at SoFi, plus insider tips for budding data scientists!
Published October 18, 2023
Top 16 Pricing Analyst Interview Questions in 2024
In this article, we'll dive into an overview of the position, the differences between certain types of analysts, and some pricing analyst interview questions you can use to prepare for the role.
Published August 29, 2024
Will Data Science Be Replaced By AI? (Updated in 2024)
In this article, we’ll examine the effects this tech is having in the broader job market, what it can and can’t do in data science, and whether this technology can actually replace data science in the near future.
Published December 3, 2024
How To Become A Data Analyst Without A Degree (Updated in 2024)
In this article, we’ll take you through the steps you can follow to become a data analyst without a degree. We’ll explore what data analysts do, the skills they should possess, available resources to learn data analytics, and how to make up for the lack o
Published December 11, 2024
Data Science Master's Degrees (Updated in 2025)
We spoke with almost two dozen Master’s graduates across Business Analytics and Data Science in the U.S., as well as gathering data from Glassdoor, Indeed, and LinkedIn to answer questions on how the current data science and analytics market is shaping up
Published January 11, 2025
Top 23 Data Analyst Internship Interview Questions (Updated for 2024)
In this article, we will delve into interview questions often faced by candidates for data analyst internships. Get ready to expand your knowledge on the usual topics covered, expectations from employers, and real-life interview questions.
Published August 18, 2024
Finding a Data Science Job in a Pandemic
At Interview Query, we love talking to our success stories. This week I talked to Jennetta who recently joined Attain as a data scientist. I asked her about her interviewing experience, how tough it was to get a job during the current pandemic, and advice
Published August 30, 2023
How an ML engineer talked to over 50+ companies before landing a job
Today, I wrote up my interview with Jerry, a former data science bootcamp and master's graduate who went through a ton of interviews before landing his current job as a machine learning engineer
Published August 30, 2023
VLOOKUP in SQL (Updated in 2025)
In this article, we’ll explain a few of the VLOOKUP methods in SQL and what to consider when using them in your analytics work.
Published January 7, 2025
Interview Query vs DataLemur for Data Science: Which is Better?
In this article, we'll compare the services and resources offered by Interview Query vs. DataLemur, two data interview preparation platforms.
Published May 13, 2024
What is a Supply Chain Analyst and How Do You Become One? (Updated in 2024)
In this article, you’ll learn everything you need to know about the role of a supply chain analyst, as well as the required skills to perform the role successfully, the career outlook, and the main industries hiring supply chain analysts.
Published December 8, 2024
Data Scientist at Hedge Fund Guide (Updated for 2024)
Hedge fund data scientists specialize in data analysis, machine learning, and statistical modeling to make informed decisions.
Published November 1, 2024
Analytic Functions in SQL (Updated for 2024)
SQL analytic functions, also known as window functions, are powerful features that perform calculations across rows in a result set, allowing for advanced data analysis and aggregation within queries.
Published August 26, 2024
Top 23 Quant Interview Questions (2024 UPDATE)
Here’s what most prospective quants mistake for when preparing their first quant interview: they prepare for the wrong concepts.
Published July 31, 2024
SQL Conditional Join: A Comprehensive Guide
Explore various aspects of conditional joins, including variations and advanced techniques.
Published June 24, 2024
42 Data Architect Interview Questions with Answers + Guide in 2025
In this article, we’ll cover essential data architect interview questions to help you prepare effectively for the role. Additionally, we’ve included valuable insights on the interview process and salary details in the final section, so be sure to check it
Published January 7, 2025
Using SQL COUNT() with CASE WHEN: A Comprehensive Guide
In this article, we will explore syntax, usage, real-world examples, and advanced techniques of SQL's COUNT CASE WHEN statement and help you start using it in your queries.
Published August 25, 2024
Weighted Average in SQL Guide (Updated for 2024)
mong the many techniques available, the weighted average is a powerful tool for deriving valuable insights from numerical data. But how exactly can we calculate the weighted average using SQL?
Published August 25, 2024
SQL Cumulative Sum: A Comprehensive Guide (Updated for 2024)
Explore different techniques and methods for calculating cumulative sums, enabling you to apply these queries confidently in your own projects.
Published August 26, 2024
The Ultimate SQL Cheat Sheet for Interview Success (Updated in 2024)
This SQL cheat sheet for interview success is designed to help you ace any SQL problems you’ll face during your interview. It contains a comprehensive yet concise overview of SQL commands, techniques, and concepts with easy-to-understand examples and summ
Published December 12, 2024
Top 30 Data Engineering Manager Interview Questions + Guide in 2024
The interview for a data engineering manager will be a mix of technical questions and behavioral approaches, focusing on a candidate’s people leadership and engineering management experience.
Published August 24, 2024
What Kind of Data Analyst Are You?
Discover your data analyst persona with this fun quiz!
Published May 8, 2023
Success Story: How to Become a Data Science Manager at Meta
Dhiraj offered insights into the difference between interviews for data scientist and manager-level roles, tips for interviewing success, and how you can turn a data science internship into a full-time job.
Published May 8, 2023
Analytical Approach and Framework
An analytical framework is a structure that helps us make sense of data in an organized way.
Published August 28, 2024
Success Story: Landing A Job At Google In The Middle Of A Recession
We spoke with Asef Wafa, a former Microsoft analyst, who landed a job at Google during the height of the December employment cuts.
Published April 13, 2023
Data Science Job Market - March 2023 Update
Job openings in data science grew 11% monthly and 13% yearly across the board. We analyzed the data science job market to understand current trends.
Published April 10, 2023
Data Science Job Market - Feb 2023 Stats
Data science job openings are shifting to traditional industries in 2023. Data analytics is peaking as a specialty. We broke down the data science job market across industries, companies, and positions to understand the current trends.
Published March 22, 2023
Data Science Job Market - Jan 2023 Update
Data science job openings grew 13% monthly but plummeted for FAANG. Healthcare, Retail, and Banking industries still actively hire data scientists. The shift toward data analytics continues in 2023.
Published March 17, 2023
Meet the Coach: Jitesh - Learn from the Experienced
We interviewed our coach, Jitesh Soni, who is passionate about sharing his knowledge, and we are delighted to learn more from his industry insights and tips to help you land your next dream job at a top company.
Published December 26, 2022
How LMU Used Interview Query for Their College Class
Ultimately, this pilot program of LMU – which was introduced out-of-pocket by the professor– presented Interview Query with the opportunity to learn how our courses, take-home challenges, and interview questions can be integrated into college courses.
Published December 19, 2022
How to Prepare for Business Intelligence Interviews: Success Story
Interview Query helped me understand differences in interview styles and personalize my interview prep for each company.
Published February 1, 2023
Top 14 SQL Project Ideas (Updated in 2024)
We’ll take you through our curated 14 SQL project ideas. These projects are divided into three groups based on difficulty.
Published December 10, 2024
Evaluating Job Offers Part 1: Compensation
There are two main things to consider when evaluating how much money you’ll make when you accept a tech job offer.
Published December 12, 2022
University of Illinois - Online Master's Data Science Review
Today, we're taking a closer look at UIUC's MCS-DS program in order to get an overview of the program, admissions and academic requirements, and the perspective of a UIUC graduate, who now works in the San Francisco Bay Area in data science.
Published September 5, 2023
How to Use MAX CASE WHEN in SQL (Updated for 2024)
CASE WHEN` allows data scientists to create a pseudo if…else statement in SQL. We introduce the concept of MAX CASE WHEN dealing with data in SQL, finding use cases, and learning related concepts.
Published June 24, 2024
The Data Science Job Market is Disappearing
We looked at data science job posting data over the last 18 months and noticed there’s been a 26% drop YOY from October 2021 to October 2022 in the number of data scientist job openings.
Published November 6, 2023
Top 15 Deep Learning Interview Questions (Updated for 2024)
This article will help you prepare for your next interview by covering the top 15 commonly asked deep-learning interview questions, covering the basics and beyond.
Published December 3, 2024
Top 32 Data Modeling Interview Questions in 2024
This article aims to provide an overview, outline the roles, and list essential data modeling interview questions and answers to prepare candidates for their interviews.
Published August 28, 2024
Analytics MBA vs. Data Science Master's: Career Path, Salary, and Job Prospects Explained
A professional degree is often a requirement for data science jobs, and this demand has resulted in a growing number of universities offering data science master's degrees and MBAs in business analytics/data analytics.
Published September 30, 2024
How One Data Scientist's Interview Prep Strategy Resulted In Multiple Offers
I came from an international background and grew up in three different countries. But as you can imagine, it wasn’t the most analytical or quantitatively rigorous major you could have, and preparations for a data science interview were challenging.
Published November 11, 2022
SQL Fuzzy Match Guide (Updated for 2024)
Although Google's search algorithm involves more than fuzzy matching SQL, this matching technique is an integral part of making your search experience seamless and relevant.
Published June 24, 2024
Top 27 Pandas Interview Questions with Answers for 2024
This list contains the top 27 Pandas interview questions, sorted based on their difficulty.
Published August 4, 2024
How Long Does It Take to Learn SQL? (Updated in 2024)
In this article, we’ll discuss some of the mathematical background behind the language, how to measure your skill level, and more SQL resources to check out.
Published December 8, 2024
Top 20 Business Analyst SQL Interview Questions (Updated for 2024)
Typically, a business analyst's SQL interview questions are designed to quickly assess your ability to pull metrics and process data with SQL.
Published July 25, 2024
7 Customer Analytics Case Studies (Updated for 2024)
Interviews for customer analyst roles typically include one or more customer analytics case studies.
Published August 15, 2024
Land your Data Science job with our AI, ML and NLP Expert!
Meet our AI and neuroscience expert coach with professional experience in natural language processing working previously on Alexa AI at Amazon.
Published November 13, 2022
8 Must-Read E-Commerce Case Studies for 2024
E-commerce case studies are applicable to interviews for a variety of roles including marketing analytics, business intelligence, data science, and any type of strategic role that relates to attracting and retaining customers for an online brand.
Published July 31, 2024
Top 21 Data Science Take-home Challenges with Instructions (Updated for 2024)
Data science take-home challenges are a common type of assessment used in data science interviews, and they sometimes take the place of the technical screen.
Published June 19, 2024
Top 19 NumPy Interview Questions (Updated for 2024)
For job positions requiring a lot of scientific calculations, matrix observations, financial, and deep learning analysis, NumPy interview questions will almost always come up. With this, this article serves as a guide for the top 19 NumPy interview questi
Published August 29, 2024
Top 17 Fintech Machine Learning Projects with Code and Tutorials (Updated for 2024)
Some of the most common ways fintech companies use machine learning include fraud detection, risk analysis, and stock predictions. Fintech machine learning projects are the best way to gain hands-on experience.
Published August 24, 2024
Data Visualization Datasets and Projects (Updated in 2025)
We have compiled 11 data visualization projects and datasets to help you get started. These will enhance your practice and understanding of how to create and use visualizations to tell more compelling stories from data.
Published January 7, 2025
Hasn’t hiring always been broken?
We can drill this down all we want, but at the end of the day, I I think maybe the phrase the hiring process is broken is prevalent for a reason
Published October 28, 2022
The New Grad Guide on Landing a Data Science Job: Roadmap for 2024
We share a complete guide into how it’s possible and what it takes to become a data scientist out of new grad
Published August 28, 2024
Top 24 Sports Analytics Projects & Datasets (Updated for 2024)
Completing a sports analytics project is one of the best ways to gain recognition and hands-on experience working with sports data and analysis. We've compiled some of the best sports analytics projects and datasets to help you practice.
Published August 27, 2024
Top 10 Music Machine Learning Data Science Projects
Here are 10 Music Machine Learning projects with different levels of difficulty to familiarize you with the field.
Published July 26, 2024
Top 28 Marketing Analytics Interview Questions
Marketing analytics interview questions are a combination of definition-based and scenario-based case study questions.
Published August 28, 2024
Software Engineering vs Machine Learning (Updated for 2024)
We’ll define each field of software engineering and machine learning according to its traditional boundaries, identify key differences between them, and then finally look at the places where the two fields intersect and overlap.
Published November 30, 2024
Top Data Science Programs for New Grads
These Data Science programs offer a unique variety of training and work experiences in diverse specialties that might be otherwise unavailable to new graduates trying to transition into full-time data science (and adjacent) positions.
Published August 22, 2024
Top 12 Supply Chain Projects and Datasets
Interested in learning and applying the skills that will land you a data science job in the new Supply Chain 4.0? Here are 12 Supply chain projects and datasets to help you start.
Published August 28, 2024
Don’t Use LeetCode for Data Science Interviews: Here’s Why and What to Do Instead
Data science roles demand a unique blend of technical and analytical skills that LeetCode’s focus on algorithms and competitive programming doesn’t fully address. Here’s an in-depth look at why LeetCode might not be the best fit for data science interview
Published January 12, 2025
How To Become a Data Science Product Manager
Becoming a data science product manager requires a balance of technical knowledge, product management skills, and business acumen.
Published October 29, 2024
35 Basic SQL Interview Questions for 2024
Don't know the difference between GROUP BY and WHERE? Here is Interview Query's one-all-end-all guide to Basic SQL Questions, designed to make your interview practice so much easier.
Published November 9, 2024
Career Change Advice: From Finance to Data Science (2024)
Is it worth it to switch careers from finance to data science? In this short guide, we will cover skill gaps, skill overlap, and finance-to-data-science salary comparison.
Published August 27, 2024
How to Get Visa Sponsorship for Data Science Jobs: Visa Types and Strategies in 2024
For non-US citizens, landing a dream data science job in Silicon Valley starts with visa sponsorship. Yet, for those without a US passport or green card, getting visa sponsorship is a complicated process.
Published September 3, 2024
Top 49 Statistics & A/B Testing Interview Questions (Updated for 2024)
A/B testing and statistics interview questions are usually asked in tandem in interviews, as statistics are heavily utilized in experiment design. This guide walks you through the top 49 commonly asked questions in this field, together with tips on how to
Published August 29, 2024
How Much Math Do Data Scientists Need to Know?
Mathematics plays an integral role in data science. We look at what math you need and how math is applied in data science and machine learning jobs.
Published November 11, 2024
Do You Need a Master's Degree for Data Science Jobs? (Updated in 2025)
If you’re still exploring your options, here are some reasons to consider not pursuing a master’s degree in data science. For those leaning toward earning the degree, we’ve got something for you, too, at the end of the article.
Published January 7, 2025
Is a PhD in Statistics Worth It?
To help answer the question, we took a closer look at salaries for data scientists and statistics PhDs, as well as some of the pros and cons of pursuing a PhD for your data science career.
Published November 30, 2024
Six Steps to Ace the Data Science Take Home Challenge (Updated for 2024)
You might find yourself working on a data science take-home assignment in a zipped file with a requirements pdf that’s ten pages long as you are applying for a data scientist role. This guide offers you the six steps to ace these challenges!
Published November 30, 2024
15 Best Data Engineering Books (Updated for 2024)
This article covers the 11 best data engineering books, which you should have a copy of on your desk. We've covered a range of topics, including AWS, data cleaning, and Python books.
Published November 21, 2024
Product Interview Questions for Data Scientists (2024 Update)
The product data science interview is meant to test your ability to understand how to build products.
Published August 5, 2024
The Data Science Career Path and Skills Progression (2024 Update)
The data science career path from junior to senior data scientist varies greatly in skill level, responsibilities, daily tasks, and everyone’s favorite topic– total compensation.
Published November 1, 2024
How Much Do Data Scientists Make? (Updated for 2024)
Curious about how much data scientists are making? Obviously, this is a huge– and typically taboo– question to ask just anyone, so in the spirit of full transparency, I’ll be telling you how much I’ve made in all of my data science positions ever since I
Published November 30, 2024
![Top 80 Free Datasets for Data Science in 2024 [Ultimate Guide]](/_next/image?url=https%3A%2F%2Finterviewquery-cms-images.s3-us-west-1.amazonaws.com%2F43fc85cb-d6a3-4c46-9bfe-3ca17840613b.png&w=828&q=75)
Top 80 Free Datasets for Data Science in 2024 [Ultimate Guide]
Whether you’re putting together a data science project to land a job or just want to brush up on your SQL or data analyst skills, we’ve selected some of our favorite sources of free data and useful datasets you can use for your next project.
Published August 18, 2024
Data Science Coaching: What It Is and How It Still Helps (Updated in 2024)
Data science coaching is an increasingly popular strategy to help new and early-career data scientists land jobs.
Published December 1, 2024
Top 10 Healthcare Data Science and ML Projects (Updated for 2024)
Due to restrictive data collection methods and ethical concerns, developing a machine learning project involving the healthcare industry is too intimidating and challenging for many developers.
Published August 27, 2024
The Best Data Science Interview Books (Updated for 2024)
Data science interview books typically include insights into the conduction of interviews and have practice interview questions (with solutions), interviewing strategies, and tips.
Published August 22, 2024
Top 21 Image Recognition Machine Learning Projects (Updated for 2024)
Practicing image recognition machine learning projects is important for any aspiring data scientist.
Published August 5, 2024
Top 15 Marketing Analytics Projects and Datasets
This article will go through the fifteen best and most straightforward data science projects for marketing analytics to help you practice your skills.
Published July 28, 2024
Fraud Analyst: What Is It and What Do They Do? (Updated in 2024)
Today, we’ll explore what is a fraud analyst, the required skills and education, and other essential information you'll need to dive into the field.
Published December 7, 2024
How to Start a Data Analytics Project (Updated in 2024)
An overview of the processes involved in starting a data analytics project can be integral for tracking your progress without focusing too much on tasks that don't matter.
Published December 1, 2024
Top 12 Real Estate Data Science Projects (Updated for 2024)
Are you interested in participating in the data-driven development of the real estate industry? Do you want to discover patterns in the real estate market? Here are ten awesome real estate machine learning projects to get you started.
Published August 27, 2024
Top 29 Database Design Interview Questions (Updated for 2024)
Database design interview questions are often framed as hypothetical case studies or SQL coding questions.
Published July 25, 2024
Top 16 Facebook SQL Interview Questions (Updated for 2024)
Meta data scientists, analysts, and engineers are all asked SQL interview questions, more than the average technical interview. That's why it's extremely important to prepare for the SQL section of the Meta technical screen. To help you, we've prepared so
Published August 10, 2024
The 2021 Data Science Interview Report
Growth in data science interviews plateaued in 2020. Data science interviews only grew by 10% after previously growing by 80% year over year.
Published May 3, 2023
Top 13 Amazon SQL Interview Questions (Updated for 2024)
This article will help you get through the Top 13 Amazon SQL interview questions, using your skills for one of the most highly sought-after FAANG companies.
Published July 24, 2024
Top 15 Google SQL Interview Questions (Updated for 2024)
We cover what you need to know, how SQL questions align to various Google roles, and SQL practice problems you can use to prep.
Published August 27, 2024
Data Engineering Career Path: How to Pursue It in 2024
Data engineering is the fastest-growing job in the field. Interviews for data engineers increased 40% year-over-year, while data science interviews grew just 10%. In other words, the job outlook couldn’t be better.
Published August 28, 2024
Decision Science vs Data Science (Updated in 2025)
In this article, we explain why there is a growing interest in decision science before diving into our interview with a decision scientist.
Published January 7, 2025
Top 22 Social Media Datasets That You Can Use in 2024
As data scientists, good data is something we define as raw, uncompromised, and observed in their natural state-- this is where social media datasets come into play.
Published August 22, 2024
Top 26 Python Data Engineer Interview Questions (2024)
This article provides an overview of Python data engineer interview questions.
Published July 25, 2024
Top 16 Operational Analytics Interview Questions (Updated in 2024)
These operational analytics interview questions require in-depth answers, and they are designed to see how you develop a data-driven solution to a potential BizOps problem.
Published December 7, 2024
Top 7 Marketing Analytics Case Study Questions + Guide in 2024
Marketing Analytics Case study questions in interviews are scenario-based questions that mirror the day-to-day work of analysts.
Published August 28, 2024
Top 40 ETL Interview Questions & Answers for 2024
Typically, ETL interview questions encompass a wide range of topics including, but not limited to, ETL testing, SQL, ETL coding (typically Python), and even system design.
Published August 29, 2024
Onboarding & Community Guidelines
Interview Query Onboarding & Community Guidelines
Published August 14, 2022
Top 12 Business Intelligence Case Studies (2024)
Business intelligence case studies are the most difficult part of business intelligence interviews, but using frameworks and understanding how they are graded can help you to prepare for your next BI case study interview.
Published August 2, 2024
9 Data Science Project Interview Questions (Updated for 2024)
Project-based behavioral questions are some of the most common inquiries you will receive during a data science interview.
Published August 22, 2024
Top 19 Statistics and Probability Interview Questions for Quants and Traders (Updated for 2024)
The statistics and probability interview questions for quants and traders are framed as quantitative problems and ask interviewees to make calculations based on the provided information.
Published November 25, 2024
Top 25+ Data Science SQL Interview Questions
SQL data science interview questions mimic the work that data scientists actually perform. These questions ask candidates to pull metrics, aggregate data, and conduct analysis. In the majority of interviews, you will be required to write out or whiteboard
Published August 24, 2024
Frequently Asked Questions
Here's an updated Interview Query FAQ and common issues.
Published May 14, 2024
60+ Must-Know Excel Questions for Data Analysts (2024 Guide)
Dive into the definitive 2024 guide covering 60+ Excel data analyst interview questions, from basic to challenging, and ace your next interview.
Published August 18, 2024
2024 Guide: 23 Data Science Case Study Interview Questions (with Solutions)
To excel in case study interviews for data science, practice is crucial. It will enable you to develop strategies for approaching case studies, asking the right questions to your interviewer, and providing responses that showcase your skills while adherin
Published July 31, 2024
Top 49 Python Data Science Interview Questions (Updated for 2024)
Python interview questions feature prominently in data science technical interviews. You will likely be asked questions covering key Python coding concepts during a typical interview.
Published May 29, 2024
37 Product Analyst Interview Questions in 2024
See 37 sample interview questions for product analysts. You can expect plenty of data analytics questions - namely SQL writing and statistics - as well as business/product sense questions.
Published August 19, 2024
Top 33 Business Intelligence Interview Questions (Updated for 2024)
Business intelligence professionals are tasked with identifying insights from streams of complex business data, which help the company stay more competitive, increase profitability, or solve specific business problems.
Published August 31, 2024
Top 39 Probability Interview Questions and Answers (Updated for 2024)
To answer probability interview questions, you need a strong basis in probability theory, and therefore it is recommended to brush up on it during your interview prep.
Published November 25, 2024
Top 32 Data Science Behavioral Interview Questions (Updated for 2024)
Data science behavioral interview questions are asked to gather specific information about your skills and experiences in terms of technical communication, job performance, cultural fit, adaptability, and technical competency.
Published July 25, 2024
Understanding SQL Outer Joins: Opposite of Inner Join (Updated in 2025)
In this article, we explore the SQL opposite of Inner Join—Outer Joins. Learn how LEFT, RIGHT, and FULL Outer Joins work, with examples and real-world use cases, to retrieve unmatched data for comprehensive analysis.
Published January 7, 2025
Business Intelligence Career Path in 2024: How to Get Started + Tips
This business intelligence career guide provides an overview of the field, an introduction to different BI job titles, and offers tips for breaking into business intelligence careers.
Published August 2, 2024
What Is a Product Analyst?: Responsibilities, Career Path & Skills
If you're preparing for a product analyst interview, you've come to the right place. In this article, we’ll cover everything you need to know about the role and answer essential questions about the field of product analysis.
Published December 10, 2024
How to Present a Data Science Project (With Examples)
Learn how to present data science projects in interviews, classes or on-the-job, including tips for aligning to your audience and what information to include.
Published August 1, 2024
Top Data Science Manager Interview Questions (Updated for 2024)
We’ve compiled a list of the most common types of Data Science Manager interview questions, with examples for each.
Published July 25, 2024
How to Become a Data Scientist (Updated in 2024)
To help us determine what you need to become a data scientist, Interview Query analyzed the profiles of more than 15,000 FAANG and start-up professionals on LinkedIn to see what the most common paths to becoming a data scientist are.
Published December 7, 2024
15 Best Job Boards for Data Science Roles in 2024
In this article, we’ve curated the best data science job boards that show fresh opportunities and will help you keep your finger on the pulse of the entire job market.
Published September 30, 2024
Top 110 Data Science Interview Questions (Updated for 2024)
To help you study, we’re going to run through the Top 110 data science interview questions. All of these are real questions asked in data science interviews at companies like Facebook, Google, Amazon, and more.
Published August 29, 2024
Top 12 Sentiment Analysis Projects and Datasets (Updated for 2024)
Practicing sentiment analysis in a data science project can be exciting and fulfilling for both NLP beginners and experts. This article will suggest 12 sentiment analysis project ideas and datasets that you can work on regardless of your NLP-knowledge lev
Published August 31, 2024
How to Create a Data Science Project from Scratch
Learn how to build an original data science project from scratch, including ideas for formulating a hypothesis and tips for sourcing data.
Published May 19, 2022
10 Easy Ways to Generate Passive Income with Data Science
Interview Query founder Jay Feng counts down ways to build passive income streams with data science. if you’re motivated and have the time and resources to invest, you can explore these ways to generate passive income with data science.
Published August 31, 2024
Meta (Facebook) Data Science Internships: What to Expect & How to Land the Job (Updated in 2024)
Meta's (Facebook) data science intern program is one of the most competitive. Therefore, to land the job, you have to nail the interview and have the right skills.
Published December 8, 2024
31 Machine Learning Project Ideas with Datasets for 2024
Machine learning’s applications range from simple linear regression to image generation. This very complexity means that landing a role in machine learning requires more than a stellar resume; you need good machine learning projects and a portfolio.
Published December 3, 2024
Master’s in Business Analytics Salary (Updated in 2024)
Due to the great demand for data analytics across businesses and industries, business analytics professionals generally command a generous salary, especially with an advanced degree in relevant fields.
Published December 8, 2024
Top 23 Regression Datasets and Projects (Updated for 2024)
This article delves into various project ideas employing different regression analyses and the datasets you can use for implementation. These projects are suitable for those who are studying machine learning or preparing for job interviews, as well as for
Published August 31, 2024
20 Classification Machine Learning Datasets & Projects (2024 Update)
Dive into the 2024 guide highlighting the top 20 classification datasets for machine learning. From beginner to advanced, embark on an exciting project journey!
Published August 5, 2024
40+ Hilarious Data Science Memes (Updated for 2024)
If you feel you need a laugh, here’s some data science memes for some comic relief to make your job a little more fun.
Published August 31, 2024
AlgoExpert vs Leetcode for Data Science Job Interviews (Updated for 2024)
Both platforms were built to help developers navigate tech interview preparations. However, neither platform was specifically designed and built for data science practitioners.
Published August 26, 2024
Top 41 Data Science Projects with Source Code (2024)
Data science projects are an incredible learning tool for practicing new skills and deepening your expertise. Whether you want to master data analytics or need to brush up on machine learning fundamentals, a data science project is one of the best ways to
Published August 5, 2024
Top 18 Data Science Projects in Python with Source Code (2024)
There’s an endless array of ways in which Python can be used in data science, from building chatbots to detecting fraud. We’ve highlighted 18 great Python projects, ranging from beginning data science projects to more advanced projects and datasets.
Published December 1, 2024
Master’s in Health Informatics Salary (Updated in 2024)
Master’s in health informatics programs equip graduates with the niche training required to excel in various roles within this dynamic and lucrative industry. Professionals in this field earn competitive pay for their specialized skills.
Published December 17, 2024
What Is a Pricing Analyst? (Updated for 2024)
Every company has questions related to their pricing: How should products be priced? How does pricing affect customer purchasing behavior? How will prices impact sales and revenue forecasts?
Published August 28, 2024
Master’s in Data Analytics Salary (Updated in 2024)
A master’s in data analytics requires a significant commitment of time and money, and that can leave you wondering: Is a master’s in data analytics worth it? We took a closer look at the pros, cons, and salary data to help you determine if a master’s in d
Published December 1, 2024
What Is the Role of a Marketing Analyst?
In this article, we explore the role of a marketing analyst, covering their key responsibilities, essential skills, and salary expectations. You'll learn how these professionals transform data into actionable insights to guide marketing strategies and dis
Published January 12, 2025
PhD in Mathematics Salary (2024 Update)
The most apparent reason to consider a PhD in mathematics is the salary. For private industry jobs, math PhDs earn high starting wages.
Published May 27, 2024
37 Data Analytics Project Ideas and Datasets (2024 UPDATE)
Data analytics projects help you build your portfolio and land interviews. However, it’s not enough to just do an interesting analytics project. You also have to market your project to ensure it gets found.
Published August 22, 2024
DoorDash Analytics Case Study Questions (Updated for 2024)
This DoorDash case study guide provides everything you need to prepare! We have tips, a video overview, and sample DoorDash analytics case study questions.
Published August 28, 2024
What Is the Work-Life Balance Like for a Data Scientist?
Data scientists are particularly concerned about work-life balance in their field as the job is often described as demanding, especially since most of the time they are in front of a computer analyzing data and programming.
Published November 14, 2024
Introducing Performance Scores on Interview Query
Learn more about the new feature Performance Score and our data science skills test, Challenges.
Published February 7, 2022
How to Prepare for Data Science Interviews (Updated for 2024)
Follow these steps on how to prepare for the data science interview as it will help you study more effectively, build your confidence, and help you simulate the interview process.
Published November 27, 2024
Data Science Consultant's Salary and What to Expect (Updated in 2024)
Data science consultants possess a unique blend of technical expertise in data science and a deep understanding of business strategy, prompting them to receive a generous pay from top companies.
Published December 1, 2024
PhD in Economics Salary
PhD in economics offers some of the highest starting salaries of any field. PhD in economics offers some of the highest starting salaries of any field.
Published June 17, 2024
Master’s in Data Science Salary (Updated for 2024)
A Master's in degree in data science results in a significant salary bump and increase career earnings.
Published September 3, 2024
22 Computer Vision Machine Learning Interview Questions (Updated for 2024)
Prepare for computer vision interview questions and learn what to expect in machine learning interviews.
Published August 24, 2024
Scaling Data Science Requires Better Data Labeling
See how companies like Scale use operational efficiency to label 1M data points per week.
Published January 12, 2022
PhD in Data Science Salary (Updated in 2024)
A Ph.D. in data science doesn’t just offer a bump in salary; it’s increasingly becoming a required credential for the industry’s most prized jobs.
Published December 7, 2024
What It’s Like to Work at the Intersection of Data Science and Cryptocurrency
Explore some of the ways data science is used in cryptocurrency, from two data scientists working at crypto exchanges.
Published September 30, 2022
Data Science Master’s vs Bootcamp: Which Is Better in 2024?
Given the demand for practical skills in data science, many data professionals are choosing between data science master’s programs and bootcamps to strengthen their qualifications.
Published November 4, 2024
25+ Data Visualization Interview Questions in 2024
This guide features an overview of what types of data visualization interview questions you can expect, as well as visualization practice questions.
Published July 29, 2024
How to Prepare for a Data Engineering Interview in 2024
We’ve put together this guide, which features everything you need to know about how to prepare for a data engineering interview.
Published August 28, 2024
Top 12 Data Engineer Interview SQL Questions in 2024
This data engineering SQL questions guide provides an overview of the types of the SQL data engineer interview questions you might face to help you prepare for your interview.
Published August 19, 2024
How to Prepare for a Data Analyst Interview in 2024
This interview prep guide offers direction, covering what to study, how to study, and what you can do to prepare for a data analyst interview.
Published August 18, 2024
What Is a Machine Learning Scientist? (Updated for 2024)
The title Machine Learning Scientist gets thrown around a lot, and it’s often confused with Data Scientist, but anyone who specializes in machine learning knows there’s a clear difference.
Published November 30, 2024
Data Analyst Career Path: How to Start and Progress in 2024
Learn more about data analyst career opportunities, including job outlook for data analysts, different roles and more.
Published November 30, 2024
Top 9 Machine Learning Algorithm Interview Questions for 2024
See and learn sample machine learning algorithm interview questions that are commonly asked in data science interviews.
Published September 4, 2024
Top 19 Python Machine Learning Interview Questions With Solutions (Updated for 2024)
Python machine learning questions test your machine learning algorithmic coding ability and ask you to perform tasks like using pandas, writing machine learning algorithms from scratch, or answering basic Python questions related to machine learning. Th
Published November 25, 2024
Top 65 Machine Learning Interview Questions (Updated for 2024)
Many machine learning interview questions are theory-based, testing your ability to apply ML concepts to business goals. This guide covers the top 67 machine learning interview questions, with tips to help you ace them!
Published August 29, 2024
Top 100+ Data Engineer Interview Questions (With Answers)
Master your data engineer interview with our comprehensive guide, covering everything from SQL, Python, ETL, to behavioral questions and real-world case studies!
Published July 31, 2024
Data Science Skills Test and Assessment
A data science skills test offers insight into your performance. For candidates, a well-calibrated skills test provides a score of where they stand compared to other data science professionals (similar to SAT percentiles).
Published November 2, 2021
Top 35 SQL Data Analyst Interview Questions (Updated for 2024)
SQL Interview Questions are commonly asked on every data analyst interviews. These interview questions aim to quickly evaluate your ability to extract metrics and work with data using SQL.
Published July 25, 2024
SQL Case Study Interview Questions and Answers (2024)
Most SQL interview questions are straightforward, but SQL case study questions require a unique approach. We’re here to teach you how to tackle them effectively.
Published August 8, 2024
Top 100+ Data Analyst Interview Questions for 2024
Data analyst jobs at tech companies require a technical skillset. In this guide, we’ll break down the interview process and the most common data analyst interview questions.
Published August 20, 2024
Interview Query Is Partnering with Top Colleges
Interview Query is partnering with Columbia University and Georgia Tech to help soon-to-be graduates prepare for technical data science interviews
Published October 25, 2021
Data Engineer Case Study Interview Questions + Guide in 2024
Case study interviews for data engineers are one of the most challenging stages of the interview process.
Published August 22, 2024
Data Analytics Case Study: Complete Guide in 2024
Data analytics case study questions are notoriously difficult to study for and answer. Learn how to answer them from this guide.
Published August 17, 2024
Top 26 Data Analyst Behavioral Interview Questions (Updated for 2024)
These data analyst behavioral interview questions are open-ended and are designed to assess your experience, your ability to communicate, and whether you're the right fit.
Published August 2, 2024
Consulting to Data Science
See how one candidate transitioned from consulting to data science and landed a job at Facebook.
Published October 13, 2021
Applied Math vs Data Science: What Should You Study in 2024?
Considering an applied math major for data science? See how studying applied math can prepare you for data science jobs.
Published May 13, 2024