Portal:MySQL/Topics
Variants
Current openSUSE contains multiple variant of MySQL. All provides at the first sight similar functionality, but they differs in details and purpose. Default variant for openSUSE is MariaDB.
MariaDB
MariaDB is a branch of MySQL maintained by community in collaboration with Monty Program. It incorporates many improvements provided by community and more opensource storage engines. List of differences can be found on official site.
MySQL Community Server
If you are unsure and just want some MySQL, this is what you want. MySQL Community Server is opensource variant of MySQL server developed mainly by Oracle.
Unstable versions
If you are not satisfied with these three versions, you can use server:database:UNSTABLE repository, where are newest version always available including beta versions.