DECLARE @Table1 TABLE ( idno INT NULL, id1 INT NULL, lid1 INT NULL, lid3 INT NULL, name VARCHAR(20) NULL );DECLARE @Table2 TABLE ( idno INT NULL, id1 INT NULL, lid1 INT NULL, lid2 INT NULL, lid3 INT NULL, name VARCHAR(20) NULL );INSERT @Table1 (idno, id1, lid1, lid3, name)VALUES (0, 1, 2, 3, 'Table 1');INSERT @Table2 (idno, id1, lid1, lid2, lid3, name)VALUES (0, 1, 0, 2, 3, 'Table 2');SELECT a.IDNo, b.IDNO, a.Name, b.NameFROM @Table1 a LEFT OUTER JOIN @Table2 b ON ( a.id1 = b.id1 AND a.lid1 = b.lid2 AND a.lid3 = b.lid3 );