嵌套for循环语句代码,PLSQL代码库,德仔网

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【PLSQL】嵌套for循环语句
作者:Yvette / 发布于2015/1/12/ 818

	SQL>
	SQL>
	SQL>
	SQL> CREATE TABLE EMP(
	 2 EMPNO NUMBER(4) NOT NULL,
	 3 ENAME VARCHAR2(10),
	 4 JOB VARCHAR2(9),
	 5 MGR NUMBER(4),
	 6 HIREDATE DATE,
	 7 SAL NUMBER(7, 2),
	 8 COMM NUMBER(7, 2),
	 9 DEPTNO NUMBER(2)
	10 );

	Table created.

	SQL>
	SQL> INSERT INTO EMP VALUES(7369, 'SMITH', 'CLERK', 7902,TO_DATE('17-DEC-1980', 'DD-MON-YYYY'), 800, NULL, 20);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7499, 'ALLEN', 'SALESMAN', 7698,TO_DATE('20-FEB-1981', 'DD-MON-YYYY'), 1600, 300, 30);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7521, 'WARD', 'SALESMAN', 7698,TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7566, 'JONES', 'MANAGER', 7839,TO_DATE('2-APR-1981', 'DD-MON-YYYY'), 2975, NULL, 20);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7654, 'MARTIN', 'SALESMAN', 7698,TO_DATE('28-SEP-1981', 'DD-MON-YYYY'), 1250, 1400, 30);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7698, 'BLAKE', 'MANAGER', 7839,TO_DATE('1-MAY-1981', 'DD-MON-YYYY'), 2850, NULL, 30);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7782, 'CLARK', 'MANAGER', 7839,TO_DATE('9-JUN-1981', 'DD-MON-YYYY'), 2450, NULL, 10);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7788, 'SCOTT', 'ANALYST', 7566,TO_DATE('09-DEC-1982', 'DD-MON-YYYY'), 3000, NULL, 20);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7839, 'KING', 'PRESIDENT', NULL,TO_DATE('17-NOV-1981', 'DD-MON-YYYY'), 5000, NULL, 10);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7844, 'TURNER', 'SALESMAN', 7698,TO_DATE('8-SEP-1981', 'DD-MON-YYYY'), 1500, 0, 30);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7876, 'ADAMS', 'CLERK', 7788,TO_DATE('12-JAN-1983', 'DD-MON-YYYY'), 1100, NULL, 20);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7900, 'JAMES', 'CLERK', 7698,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 950, NULL, 30);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7902, 'FORD', 'ANALYST', 7566,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 3000, NULL, 20);

	1 row created.

	SQL> INSERT INTO EMP VALUES(7934, 'MILLER', 'CLERK', 7782,TO_DATE('23-JAN-1982', 'DD-MON-YYYY'), 1300, NULL, 10);

	1 row created.

	SQL>
	SQL>
	SQL>
	SQL> begin
	 2 for i in 1 .. 5000
	 3 loop
	 4 for x in ( select ename, empno, hiredate from emp )
	 5 loop
	 6 null;
	 7 end loop;
	 8 end loop;
	 9 end;
	10 /

	PL/SQL procedure successfully completed.

	SQL>
	SQL>
	SQL>
	SQL>
	SQL>
	SQL> drop table emp;

	Table dropped.

	SQL>
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