Manual:$wgDBadminpassword

Database settings: $wgDBadminpassword
Password for $wgDBadminuser.
Introduced in version:	Before 1.1.0
Removed in version:	Still in use
Allowed values:	(string)
Default value:	null
Other settings: Alphabetical \| By function

Details

Database password that can be used when running maintenance scripts.

Prior to MediaWiki version 1.16, $wgDBadminpassword was set in AdminSettings.php .

In newer versions it can still be set along with $wgDBadminuser in LocalSettings.php , but is optional.