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# Converting Database Type

You can convert a SQLite database to a more performing MySQL, MariaDB or PostgreSQL database with the Nextcloud command line tool. SQLite is good for testing and simple single-user Nextcloud servers, but it does not scale for multiple-user production users.

## Run the conversion

First setup the new database, here called “new_db_name”. In Nextcloud root folder call

    php occ db:convert-type [options] type username hostname database

The Options

- `--port="3306"` the database port (optional)
- `--password="mysql_user_password"` password for the new database. If omitted the tool will ask you (optional)
- `--clear-schema` clear schema (optional)
- `--all-apps` by default, tables for enabled apps are converted, use to convert also tables of deactivated apps (optional)

Note: The converter searches for apps in your configured app folders and uses the schema definitions in the apps to create the new table. So tables of removed apps will not be converted even with option `--all-apps`

For example

    php occ db:convert-type --all-apps mysql nc_mysql_user 127.0.0.1 new_db_name

To successfully proceed with the conversion, you must type `yes` when prompted with the question `Continue with the conversion?`

On success the converter will automatically configure the new database in your Nextcloud config `config.php`.

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