600
600
select * from (t1 cross join t2) join (t3 cross join t4) on (a < y and t2.b < t3.c);
608
608
select * from (t1, t2) join (t3, t4) on (a < y and t2.b < t3.c);
616
616
select * from (t1 natural join t2) join (t3 natural join t4) on a = y;
620
620
select * from ((t3 join (t1 join t2 on c > a) on t3.b < t2.a) join t4 on y > t1.c) join t5 on z = t1.b + 3;
626
626
select * from t1 natural join t2 where t1.b > 0;