CREATE TABLE t1(a, b, c);
  INSERT INTO t1 VALUES(1, 2, 3);
  INSERT INTO t1 VALUES(4, 5, 6);
  ALTER TABLE t1 ADD COLUMN d DEFAULT 'string';
  INSERT INTO t1 VALUES(7, 8, 9, 'text');


  SELECT * FROM t1 ORDER BY b;


  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(a, b);
  CREATE TABLE t2(c, d, PRIMARY KEY(c)) WITHOUT ROWID;

  INSERT INTO t1 VALUES(1, 2);
  INSERT INTO t1 VALUES(2, 3);
  INSERT INTO t1 VALUES(3, 4);

  INSERT INTO t2 VALUES(1, 'one');
  INSERT INTO t2 VALUES(3, 'three');


  SELECT * FROM t1 LEFT JOIN t2 ON (a=c) ORDER BY b;