> 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/system-tables/information-schema/information-schema-tables/information-schema-wsrep_cert_keys_history.md).

# Information Schema WSREP\_CERT\_KEYS\_HISTORY

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This table is used in [MariaDB Galera Cluster](https://mariadb.com/docs/galera-cluster/).
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This table is available as of MariaDB Enterprise Server 11.8.
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This table contains certification key information history for Galera threads. See the [WSREP\_CERT\_KEYS](/docs/server/reference/system-tables/information-schema/information-schema-tables/information-schema-wsrep_cert_keys.md) documentation for details.