Practice for the Vertiv interview with these recently asked interview questions.
| Question | Topic | Difficulty | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SQL | Medium | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
You have a table containing information about the time that employees have worked on a project. Write a query to find how many unique calendar days each employee worked. Order your query by the Example: An employee worked on two projects, and recorded their time like this:
The number of unique calendar days is therefore 7. SchemaInput:
Output:
ExampleInput:
Output:
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Statistics | Easy | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Statistics | 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 |
Check your skills...
How prepared are you for working at Vertiv?
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 Scientist role pays the most with a $87,500 base salary while the Business Intelligence role on average pays the least with a $70,000 base salary.
Discussion & Interview Experiences