oracle查詢語句練習題與答案(scott用戶)

1 找出佣金高於薪金60%的僱員。 SELECT * FROM emp WHERE comm > (sal * 0.6); 2 找出部門10中全部經理和部門20中全部辦事員的詳細資料。 SELECT * FROM emp WHERE (deptno = 10 AND job = 'MANAGER') OR (deptno = 20 AND job = 'CLERK'); 3

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