[role="xpack"]
[testenv="basic"]
[[sql-spec]]
== SQL Language

This chapter describes the SQL syntax and semantics supported namely:

<<sql-lexical-structure>>:: Lexical structure
<<sql-commands>>:: Commands
<<sql-data-types>>:: Data types
<<sql-index-patterns>>:: Index patterns

include::syntax/lexic/index.asciidoc[]
include::syntax/commands/index.asciidoc[]
include::data-types.asciidoc[]
include::indices.asciidoc[]