Dun & Bradstreet Interview Questions
Dun & Bradstreet Interview Guides
Dun & Bradstreet Interview Questions
Practice for the Dun & Bradstreet interview with these recently asked interview questions.
| Question | Topic | Difficulty | |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SQL | Hard | ||||||||||||||||||||||||||||||||||
Given a table of product subscriptions with a subscription start date and end date for each user, write a query that returns true or false whether or not each user has a subscription date range that overlaps with any other completed subscription. Completed subscriptions have Example: Input:
Output:
| |||||||||||||||||||||||||||||||||||
Data Structures & Algorithms | Medium | ||||||||||||||||||||||||||||||||||
Data Structures & Algorithms | Easy | ||||||||||||||||||||||||||||||||||
SQL | Easy | |
Machine Learning | Medium | |
Statistics | Medium | |
SQL | Hard | |
Machine Learning | Medium | |
Python | Easy | |
Deep Learning | Hard | |
SQL | Medium | |
Statistics | Easy | |
Machine Learning | Hard |
Challenge
Check your skills...
How prepared are you for working at Dun & Bradstreet?
Dun & Bradstreet Salaries by Position
Most data science positions fall under different position titles depending on the actual role.
From the graph we can see that on average the Data Engineer role pays the most with a $140,000 base salary while the Software Engineer role on average pays the least with a $134,333 base salary.
Discussion & Interview Experiences