Extension:Cognate/cognate sites table

Primary key.

CREATE 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)

• Wikimedia extension database tables