Spark SQL Tutorial – Understanding Spark SQL With Examples

Updated:01/20/2021 by Computer Hope

Spark SQL originated as Apache Hive to run on top of Spark and is now integrated with the Spark stack.
Spark SQL integrates relational processing with Spark’s functional programming

Spark SQL program in Apache Spark -

val sqlDF = spark.sql("SELECT * FROM people")
spark.sql("SELECT * FROM global_temp.people").show()
spark.newSession().sql("SELECT * FROM global_temp.people").show()

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