adamc@226: table t1 : {A : int, B : string, C : float}
adamc@226: table t2 : {A : float, D : int}
adamc@226: 
adamc@226: val q1 = (SELECT * FROM t1 GROUP BY t1.B)
adamc@226: val q2 = (SELECT * FROM t1, t2 GROUP BY t1.B, t2.D, t1.A)
adamc@227: 
adamc@227: val q3 = (SELECT * FROM t1 WHERE t1.A = 0 GROUP BY t1.B)
adamc@227: val q4 = (SELECT * FROM t1 WHERE t1.A = 0 GROUP BY t1.C HAVING t1.C < 0.2)
adamc@227: 
adamc@227: val q5 = (SELECT t1.A, t2.D FROM t1, t2 GROUP BY t2.D, t1.A)
adamc@227: val q6 = (SELECT t1.A, t2.D FROM t1, t2 WHERE t1.C = 0.0 GROUP BY t2.D, t1.A HAVING t1.A = 0 AND t2.D = 17)