17,140
社区成员




SQL> select emp.*,case when empno=7369 then 'aha,it''s you' else 'not you' end from emp;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO CASEWHENEMPNO=7369THEN'AHA,IT'
----- ---------- --------- ----- ----------- --------- --------- ------ ------------------------------
7369 SMITH CLERK 7902 1980-12-17 800.10 20 aha,it's you
7499 ALLEN SALESMAN 7698 1981-2-20 1600.00 300.00 30 not you
7521 WARD SALESMAN 7698 1981-2-22 1250.00 500.00 30 not you
7566 JONES MANAGER 7839 1981-4-2 2975.00 20 not you
7654 MARTIN SALESMAN 7698 1981-9-28 1250.00 1400.00 30 not you
7698 BLAKE MANAGER 7839 1981-5-1 2850.00 30 not you
7782 CLARK MANAGER 7839 1981-6-9 2450.00 10 not you
7788 SCOTT ANALYST 7566 1987-4-19 3000.00 20 not you
7839 KING PRESIDENT 1981-11-17 5000.00 10 not you
7844 TURNER SALESMAN 7698 1981-9-8 1500.00 0.00 30 not you
7876 ADAMS CLERK 7788 1987-5-23 1100.00 20 not you
7900 JAMES CLERK 7698 1981-12-3 950.00 30 not you
7902 FORD ANALYST 7566 1981-12-3 3000.00 20 not you
7934 MILLER CLERK 7782 1982-1-23 1300.00 10 not you
14 rows selected
SQL>
SQL> select emp.*,case empno when 7369 then 'aha,it''s you' else 'not you' end from emp;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO CASEEMPNOWHEN7369THEN'AHA,IT''
----- ---------- --------- ----- ----------- --------- --------- ------ ------------------------------
7369 SMITH CLERK 7902 1980-12-17 800.10 20 aha,it's you
7499 ALLEN SALESMAN 7698 1981-2-20 1600.00 300.00 30 not you
7521 WARD SALESMAN 7698 1981-2-22 1250.00 500.00 30 not you
7566 JONES MANAGER 7839 1981-4-2 2975.00 20 not you
7654 MARTIN SALESMAN 7698 1981-9-28 1250.00 1400.00 30 not you
7698 BLAKE MANAGER 7839 1981-5-1 2850.00 30 not you
7782 CLARK MANAGER 7839 1981-6-9 2450.00 10 not you
7788 SCOTT ANALYST 7566 1987-4-19 3000.00 20 not you
7839 KING PRESIDENT 1981-11-17 5000.00 10 not you
7844 TURNER SALESMAN 7698 1981-9-8 1500.00 0.00 30 not you
7876 ADAMS CLERK 7788 1987-5-23 1100.00 20 not you
7900 JAMES CLERK 7698 1981-12-3 950.00 30 not you
7902 FORD ANALYST 7566 1981-12-3 3000.00 20 not you
7934 MILLER CLERK 7782 1982-1-23 1300.00 10 not you
14 rows selected
SQL>