adamc@230: table t1 : {A : int, B : string, C : float}
adamc@230: table t2 : {A : float, D : int}
adamc@230: 
adamc@230: val q1 = (SELECT * FROM t1 ORDER BY t1.A, t1.B)
adamc@230: val q2 = (SELECT * FROM t1 GROUP BY t1.A ORDER BY t1.A, t1.B)
adamc@230: val q3 = (SELECT t1.B FROM t1
adamc@230:         UNION SELECT t1.B FROM t1
adamc@230:         ORDER BY t1.B)