all question were just basic but sometimes the basic questions can be tricky like why we use main function in java ? why it is public? run program without main?
Data Engineer Interview Questions
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Write a query to retrieve duplicate records from a table?
Difference between delete and truncate in SQL?
Advantages of java over c
Write a constant-time Python 3 implementation of LRU cache. Use any Python data structures. The provided unit tests must pass. You have 15 minutes.
they just asked a coding questions
Code a data structure which allows us to store and retrieve items by key up to a fixed capacity. When we add items over capacity we free up space by removing an item first: 1) remove any expired item first 2) If there are no expired items, find the items with the lowest priority number, and remove the one which has been used least recently of them Optimise for time.
SQL
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