1 echo select * from t11,t12 where t11.f5=t12.f1;
2 select * from t11,t12 where t11.f5=t12.f1;
4 echo select * from t11,t12 where t11.f5 > t12.f1;
5 select * from t11,t12 where t11.f5 > t12.f1;
7 echo select * from t11,t12 where t12.f1 <= t11.f5;
8 select * from t11,t12 where t12.f1 <= t11.f5;
10 echo select * from t11,t12 where t12.f1 != t11.f5;
11 select * from t11,t12 where t12.f1 != t11.f5;
13 echo select * from t11,t12 where t12.f1 > 20;
14 select * from t11,t12 where t12.f1 > 20;