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PySpark Interview Questions and Answers

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Question: Explain the concept of a SparkSession in PySpark.

Answer: SparkSession is the entry point to any PySpark functionality. It is used to create DataFrames, register DataFrames as tables, and execute SQL queries.

Example:

from pyspark.sql import SparkSession

spark = SparkSession.builder.appName('example').getOrCreate()

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