Practice for the Magical solutions interview with these recently asked interview questions.
| Question | Topic | Difficulty | ||||||||||||||||||||
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SQL | Medium | |||||||||||||||||||||
Let’s say we have a table representing a company payroll schema. Due to an ETL error, the employees table, instead of updating the salaries every year when doing compensation adjustments, did an insert instead. The head of HR still needs the current salary of each employee. Write a query to get the current salary for each employee. Note: Assume no duplicate combination of first and last names (I.E. No two John Smiths). Assume the Example: Input:
Output:
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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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