I am learning the basics of ANY and ALL operators.
Retrieving all employees in Dept 30 whose sal is greater than ANY employees in Dept 20
SQL> SELECT * FROM EMP;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- --------------- --------- ---------- --------- ---------- ---------- ----------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7566 JONES MANAGER 7839 02-APR-81 2975 20
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7788 SCOTT ANALYST 7566 19-APR-87 3000 20
7839 KING PRESIDENT 17-NOV-81 5000 10
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7876 ADAMS CLERK 7788 23-MAY-87 1100 20
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- --------------- --------- ---------- --------- ---------- ---------- ----------
7900 JAMES CLERK 7698 03-DEC-81 950 30
7902 FORD ANALYST 7566 03-DEC-81 3000 20
7934 MILLER CLERK 7782 23-JAN-82 1300 10
14 rows selected.
SQL> SELECT * FROM EMP WHERE DEPTNO=20;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- --------------- --------- ---------- --------- ---------- ---------- ----------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7566 JONES MANAGER 7839 02-APR-81 2975 20
7788 SCOTT ANALYST 7566 19-APR-87 3000 20
7876 ADAMS CLERK 7788 23-MAY-87 1100 20
7902 FORD ANALYST 7566 03-DEC-81 3000 20
SQL> SELECT * FROM EMP WHERE DEPTNO=30;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- --------------- --------- ---------- --------- ---------- ---------- ----------
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7900 JAMES CLERK 7698 03-DEC-81 950 30
6 rows selected.
SQL> SELECT * FROM EMP
2 WHERE SAL>ALL
3 (SELECT SAL FROM
4 EMP WHERE DEPTNO=20)
5 AND DEPTNO=30;
no rows selected
SQL> SELECT * FROM EMP
2 WHERE SAL>ANY
3 (SELECT SAL FROM
4 EMP WHERE DEPTNO=20)
5 AND DEPTNO=30;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- --------------- --------- ---------- --------- ---------- ---------- ----------
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7900 JAMES CLERK 7698 03-DEC-81 950 30
6 rows selected.
From a book by Damir Bersinic:
An easy shorthand enables you to remember the distinction between ANY and
ALL. If a query condition is >ANY, each row in the result set is greater than the lowest value returned. When a query is >ALL, each row in the result set is greater than the highest value returned.
He meant ; If a query condition is >ANY, each row in the result set is greater than the lowest value returned by the subquery. Didn't he?
I couldn't find ANY and ALL operators in 10g SQL Reference? Are these operators being replaced by anything?
Message was edited by:
for_good_reason