Update architecture-overview.md

Signed-off-by: Mohit Nain <Mohit_Nain@infosys.com>
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Mohit Nain
2025-05-07 11:49:59 +05:30
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@@ -267,14 +267,14 @@ require a database to work with.
The Backstage backend and its built-in plugins are based on the
[Knex](http://knexjs.org/) library, and set up a separate logical database per
plugin. This gives great isolation and lets them perform migrations and evolve
separate from each other.
separately from each other.
The Knex library supports a multitude of databases, but Backstage is at the time
of writing tested primarily against two of them: SQLite, which is mainly used as
The Knex library supports a multitude of databases, but Backstage at this time
of writing is tested primarily against two of them: SQLite, which is mainly used as
an in-memory mock/test database, and PostgreSQL, which is the preferred
production database. Other databases such as the MySQL variants are reported to
work but
[aren't tested as fully](https://github.com/backstage/backstage/issues/2460)
[aren't fully tested](https://github.com/backstage/backstage/issues/2460)
yet.
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