> For the complete documentation index, see [llms.txt](https://george-jen.gitbook.io/data-science-and-apache-spark/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://george-jen.gitbook.io/data-science-and-apache-spark/untitled-57.md).

# SPARK SQL

### SPARK SQL

Spark SQL is Apache Spark's module for working with structured data.

Integrated seamlessly mix SQL queries with Spark programs.

Query structured data inside Spark programs, using either SQL or a familiar DataFrame API. Usable in Java, Scala, Python and R.