Extension:Cognate/cognate titles table
Fields
editcgti_raw
editcgti_raw_key
editPrimary key.
cgti_normalized_key
editSchema summary
editCREATE TABLE IF NOT EXISTS /*_*/cognate_titles ( cgti_raw VARBINARY(255) NOT NULL, cgti_raw_key BIGINT SIGNED NOT NULL PRIMARY KEY, cgti_normalized_key BIGINT SIGNED NOT NULL )/*$wgDBTableOptions*/;
(see source here).