Extension:Cognate/cognate sites table
Fields
editcgsi_key
editPrimary key.
cgsi_dbname
editcgsi_interwiki
editSchema summary
editCREATE TABLE IF NOT EXISTS /*_*/cognate_sites ( cgsi_key BIGINT SIGNED PRIMARY KEY NOT NULL, cgsi_dbname VARBINARY(32) NOT NULL, cgsi_interwiki VARBINARY(32) NOT NULL )/*$wgDBTableOptions*/;
(see source here)