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Prefetch is used to reduce database queries by fetching related objects in advance, while select_related fetches related objects in a single query.
Prefetch is used when accessing related objects individually, while select_related is used when accessing related objects in a loop.
Prefetch can be more efficient when dealing with many-to-many relationships, while select_related is more suitable for foreign key relationship...
Remove duplicate elements from a list of strings
Use a set to store unique elements
Iterate through the list and add elements to the set
Convert the set back to a list to get the final result
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I applied via Walk-in and was interviewed in Oct 2023. There were 4 interview rounds.
Measure of your ability to learn or perform required tasks and succeed in the environment you're in. They are not a measure of intelligence these tests look for your strengths and weaknesses, giving you and the evaluator an idea of your abilities.
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