$dbh->do("CREATE TABLE artist (artistid NUMBER(12), name VARCHAR(255), rank NUMBER(38), charfield VARCHAR2(10))");
$dbh->do("CREATE TABLE sequence_test (pkid1 NUMBER(12), pkid2 NUMBER(12), nonpkid NUMBER(12), name VARCHAR(255))");
$dbh->do("CREATE TABLE cd (cdid NUMBER(12), artist NUMBER(12), title VARCHAR(255), year VARCHAR(4))");
-$dbh->do("CREATE TABLE track (trackid NUMBER(12), cd NUMBER(12), position NUMBER(12), title VARCHAR(255), last_updated_on DATE)");
+$dbh->do("CREATE TABLE track (trackid NUMBER(12), cd NUMBER(12), position NUMBER(12), title VARCHAR(255), last_updated_on DATE, last_updated_at DATE)");
$dbh->do("ALTER TABLE artist ADD (CONSTRAINT artist_pk PRIMARY KEY (artistid))");
$dbh->do("ALTER TABLE sequence_test ADD (CONSTRAINT sequence_test_constraint PRIMARY KEY (pkid1, pkid2))");