database Are external Databases still required?

[chazmosis]

I have a really old Mangos install (think 2013) and I'm looking to upgrade it. Is a database like UDB still required for mangos, or is it now included with the release? I don't see anything specifically mentioned in the wiki

Thanks

[H0zen]

All databases are in specific repositories.

Zero - https://github.com/mangoszero/database

One - https://github.com/mangosone/database

Two - https://github.com/mangostwo/database