extDB3
extDB3 is an Arma3 Addon for connecting to Databases (currently only MariaDB/MySQL).
The main purpose for extDB3 is for persistent missions in Arma.
Note it will require some knowledge about SQF & SQL to use.
extDB3 is also designed to be flexible & secure at the same time.

Links
https://bitbucket.org/torndeco/extdb3/wiki/Home
https://bitbucket.org/torndeco/extdb3/wiki/Contents
https://bitbucket.org/torndeco/extdb3/downloads

extBD/2 
Are retired