|This feature was removed completely in version 1.4.0.|
|Database settings: $wgDBconnection|
|Introduced in version:||pre 1.1.0|
|Removed in version:||1.4.0|
|Default value:||(empty string)|
|Other settings: Alphabetical | By function|
Unknown history, appears to be deprecated. Is set to '' in DefaultSettings.php but never used.