Spark SQL and Hive Tables
Ed Elliott · Apress eBooks · 2021
In this chapter, we are going to look at the Apache Spark SQL API. The SQL API allows us to write queries conforming to a subset of ANSI SQL:2003, which is the standard for the SQL database query language. The SQL API means we can store our data in files, probably in a data lake, and we can write SQL queries that access the data.