rank vs dense_rank in SQL

SQL is a powerful tool for managing and analyzing data. When it comes to sorting and ranking data in SQL, there are various ranking functions available. Two commonly used ranking…

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Decorators and Generators in Python

Two of the Python's most powerful features are decorators and generators, which allow programmers to write more efficient and expressive code. In this article, we will explore what decorators and…

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Deployment Modes in PySpark

Apache Spark is a widely popular big data processing engine that provides fast and scalable data processing capabilities. PySpark is the Python API for Spark, which enables Python programmers to…

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