1 echo select * from emp,dept;
2 select * from emp,dept;
3 echo select * from emp,dept where emp.dno in(20,30);
4 select * from emp,dept where emp.dno in(20,30);
5 echo select * from emp,dept where dept.deptno in(20,30);
6 select * from emp,dept where dept.deptno in(20,30);
7 echo select * from emp,dept where emp.dno in(20,30) and dept.deptno in(20,30);
8 select * from emp,dept where emp.dno in(20,30) and dept.deptno in(20,30);
10 echo select * from emp,dept where emp.dno in(20,30) or dept.deptno in(20,30);
11 select * from emp,dept where emp.dno in(20,30) or dept.deptno in(20,30);