History: MySQL

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Tiki can use [https://en.wikipedia.org/wiki/MySQL|MySQL] in two ways:

- As a **database**. This is where your data is stored. The default storage engine is ((InnoDB)). The other database choices are ((MariaDB)) and ((Percona Server for MySQL))
- As a **search index**. This is a temporary copy of some of your data, optimized for quick retrieval. The storage engine here is ((MyISAM)). The index options are explained here: ((Unified Index Comparison))

## See also

- ((Requirements))
- ((MySQL replication))
- ((MySQL SSL))
- ((Database independence))
- ((dev:MariaDB vs MySQL strategy))
- ((File Storage))