Spark SQL and DataFrames - Spark 3.5.0 DocumentationSpark SQL, DataFrames and Datasets Guide Spark SQL is a Spark module for structured data processing. Unlike the basic Spark RDD API, the interfaces provided by Spark SQL provide Spark with more information about the structure of both the data and the computation being performed. Internally, Spark SQL uses this extra information to perform extra optimizations. There are several ways to interact wit
Deep Dive into Spark SQL's Catalyst Optimizer
