---
title: SQL language
description: This section describes the SQL syntax and semantics supported namely: 
url: https://www.elastic.co/docs/reference/query-languages/sql/sql-spec
products:
  - Elasticsearch
---

# SQL language
This section describes the SQL syntax and semantics supported namely:
<definitions>
  <definition term="Lexical structure">
    Lexical structure
  </definition>
  <definition term="SQL commands">
    Commands
  </definition>
  <definition term="Data types">
    Data types
  </definition>
  <definition term="Index patterns">
    Index patterns
  </definition>
</definitions>