refcursor:使用REF CURSOR处理Oracle的结果集来源: 发布时间:星期日, 2009年8月16日 浏览:0次 评论:0
在实际
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 首先 ![]() ![]() SQL> desc emp Name Null? Type -------------------- -------- ------------ EMPNO NOT NULL NUMBER(4) ENAME VARCHAR2(10) JOB VARCHAR2(9) MGR NUMBER(4) HIREDATE DATE SAL NUMBER(7,2) COMM NUMBER(7,2) DEPTNO NUMBER(2) 最后使用ref cursor获得结果集输出: SQL> ![]() SQL> DECLARE 2 TYPE mytable IS TABLE OF emp%ROWTYPE; 3 l_data mytable; 4 l_refc sys_refcursor; 5 BEGIN 6 OPEN l_refc FOR 7 SELECT empno, ename, job, mgr, hiredate, sal, comm, deptno FROM emp; 8 9 FETCH l_refc BULK COLLECT INTO l_data; 10 11 CLOSE l_refc; 12 13 FOR i IN 1 .. l_data.COUNT 14 LOOP 15 DBMS_OUTPUT.put_line ( l_data (i).ename 16 || ' was hired since ' 17 || l_data (i).hiredate 18 ); 19 END LOOP; 20 END; 21 / SMITH was hired since 17-DEC-80 ALLEN was hired since 20-FEB-81 WARD was hired since 22-FEB-81 JONES was hired since 02-APR-81 MARTIN was hired since 28-SEP-81 BLAKE was hired since 01-MAY-81 CLARK was hired since 09-JUN-81 SCOTT was hired since 19-APR-87 KING was hired since 17-NOV-81 TURNER was hired since 08-SEP-81 ADAMS was hired since 23-MAY-87 JAMES was hired since 03-DEC-81 FORD was hired since 03-DEC-81 MILLER was hired since 23-JAN-82 PL/SQL procedure successfully completed. 0
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