These settings are used by every plugin which supports MySQL.
To enable the MySQL module, remove the semi-colon in front of the module name in "addons/amxx/modules.ini".

Cvar Setting	Description
amx_mysql_host	Hostname or IP adress (Linux users may encounter problems if they specify "localhost" instead of "127.0.0.1")
amx_mysql_user	User
amx_mysql_pass	Password
amx_mysql_db	Database