Practice for the Nasdaq interview with these recently asked interview questions.
| Question | Topic | Difficulty | |||||||||||||||||||||||||||||||||
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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:
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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 |
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Most data science positions fall under different position titles depending on the actual role.
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