CREATE TABLE self_ref_alias (self_ref INTEGER NOT NULL, alias INTEGER NOT NULL,
PRIMARY KEY( self_ref, alias ) );
+CREATE TABLE artist_undirected_map (id1 INTEGER NOT NULL, id2 INTEGER NOT NULL, PRIMARY KEY(id1, id2));
+
CREATE TABLE producer (producerid INTEGER NOT NULL PRIMARY KEY, name VARCHAR);
CREATE TABLE cd_to_producer (cd INTEGER NOT NULL, producer INTEGER NOT NULL);
INSERT INTO self_ref_alias (self_ref, alias) VALUES (1, 2);
+INSERT INTO artist_undirected_map (id1, id2) VALUES (1, 2);
+
INSERT INTO producer (producerid, name) VALUES (1, 'Matt S Trout');
INSERT INTO cd_to_producer (cd, producer) VALUES (1, 1);