> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/sql-statements/administrative-sql-statements/flush-commands.md).

# FLUSH Statements

- [FLUSH](https://mariadb.com/docs/server/reference/sql-statements/administrative-sql-statements/flush-commands/flush.md): Complete FLUSH statement reference: NO\_WRITE\_TO\_BINLOG/LOCAL syntax, FLUSH TABLES WITH READ LOCK/FOR EXPORT, FLUSH STATUS, and SSL/TLS certificate reload.
- [FLUSH QUERY CACHE](https://mariadb.com/docs/server/reference/sql-statements/administrative-sql-statements/flush-commands/flush-query-cache.md): Defragment the query cache to optimize memory usage. This command reorganizes the cache to eliminate fragmentation without removing existing cached queries.
- [FLUSH TABLES FOR EXPORT](https://mariadb.com/docs/server/reference/sql-statements/administrative-sql-statements/flush-commands/flush-tables-for-export.md): Prepare individual tables for binary backup. This command flushes changes to disk and locks tables, allowing safe copying of .ibd files while the server runs.


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://mariadb.com/docs/server/reference/sql-statements/administrative-sql-statements/flush-commands.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
