Clippd Interview Questions and Answers

Basic SQL questions and 3 python questions

Q1. Which was the most challenging project you had worked on and how did you contribute in it?
Ans. 
The most challenging project I worked on was developing a real-time data processing system for a large e-commerce platform.
• Designed and implemented a scalable data pipeline to process and analyze millions of transactions per day

• Optimized data storage and retrieval processes to reduce latency and improve overall system performance

• Collaborated with cross-functional teams to troubleshoot and resolve issues in the system

• Im...read more
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Q2. What is GIL in python?
Ans. 
GIL stands for Global Interpreter Lock in Python, which is a mutex that protects access to Python objects.
• GIL is a mechanism used in CPython to ensure that only one thread executes Python bytecode at a time.

• It can limit the performance of multi-threaded Python programs, as only one thread can execute Python code at a time.

• GIL is specific to CPython and does not apply to other Python implementations like Jython or IronP
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Q3. Why and when to use Generators and decorators in python?
Ans. 
Generators are used to create iterators, while decorators are used to modify functions or methods.
• Generators are used to generate a sequence of values lazily, saving memory and improving performance.

• Decorators are used to add functionality to existing functions or methods without modifying their code.

• Generators are useful when dealing with large datasets or infinite sequences.

• Decorators can be used for logging, caching...read more
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Q1. It was more about Company policy and CTC discussion
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