oracle查询语句练习题与答案(scott用户)

1 找出佣金高于薪金60%的雇员。 SELECT * FROM emp WHERE comm > (sal * 0.6); 2 找出部门10中全部经理和部门20中全部办事员的详细资料。 SELECT * FROM emp WHERE (deptno = 10 AND job = 'MANAGER') OR (deptno = 20 AND job = 'CLERK'); 3

>>阅读原文<<