# SQL

:::{note}
This section provides detailed **reference information**.

Refer to [SQL overview](docs-content://explore-analyze/query-filter/languages/sql.md) in the **Explore and analyze** section for overview and conceptual information about the SQL query language.
:::


[SQL language](sql/sql-spec.md)
:   SQL syntax and semantics

[Functions and operators](sql/sql-functions.md)
:    Built-in functions and operators

[Reserved keywords](sql/sql-syntax-reserved.md)
:   Keywords reserved for Elasticsearch SQL

[SQL limitations](sql/sql-limitations.md)
:   Limitations for Elasticsearch SQL