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elasticsearch/docs/reference/query-languages/esql/esql-syntax-reference.md
Liam Thompson 32a4462dfe
[DOCS][9.x] Improve ESQL reference docs information architecture (#127248) 
* [DOCS][9.0]  Improve ESQL reference docs IA

- reorganized es|ql reference documentation from flat list to logical hierarchy
- created three main sections: syntax reference , special fields, advanced operations
- renamed pages with more consistent and task-oriented titles
- aligned navigation titles with page content
- improved introductory text for each section
- used parallel phrasing for similar concepts
- clarified the relationship between reference docs and conceptual docs


Co-authored-by: Alexander Spies <alexander.spies@elastic.co>
2025-04-25 09:54:45 +02:00

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Syntax reference

ES|QL syntax reference

This section covers the essential syntax of the ES|QL language.

  • Basic syntax: Learn the fundamentals of ES|QL query structure, including pipes, commands, and expressions.

  • Commands: Discover the core commands for data retrieval, filtering, aggregation, and transformation.

  • Functions and operators: Explore the full range of functions and operators available for data manipulation and analysis.