# Options for MySQL DB instances
<a name="Appendix.MySQL.Options"></a>

Following, you can find a description of options, or additional features, that are available for Amazon RDS instances running the MySQL DB engine. To enable these options, you can add them to a custom option group, and then associate the option group with your DB instance. For more information about working with option groups, see [Working with option groups](USER_WorkingWithOptionGroups.md). 

Amazon RDS supports the following options for MySQL: 



| Option | Option ID | Engine versions | 
| --- | --- | --- | 
| [MariaDB Audit Plugin support for MySQL](Appendix.MySQL.Options.AuditPlugin.md) | `MARIADB_AUDIT_PLUGIN` | All MySQL 8.4 versionsMySQL 8.0.28 and higher 8.0 versions<br />All MySQL 5.7 versions | 
| [MySQL memcached support](Appendix.MySQL.Options.memcached.md) | `MEMCACHED` | All MySQL 5.7 and 8.0 versions | 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon RDS. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query AmazonRDS` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).