Oracle PL/SQL/Stored Procedure Function/exec — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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Версия 16:45, 26 мая 2010
Exec: execute a procedure
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SQL> SQL> set serverout on; SQL> SQL> -- Displaying "Hello World!" to the screen. SQL> SQL> CREATE OR REPLACE PROCEDURE HELLO AS
2 BEGIN 3 DBMS_OUTPUT.PUT_LINE("Hello World! " || 4 TO_CHAR(SYSDATE,"MM-DD-YY HH:MI:SS AM")); 5 END; 6 /
SQL> SQL> exec HELLO(); Hello World! 09-09-06 07:23:06 PM SQL>
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Procedure without parameters
<source lang="sql">
SQL> SQL> CREATE or replace PROCEDURE my_first_proc IS
2 greetings VARCHAR2(20); 3 BEGIN 4 greetings := "Hello World"; 5 dbms_output.put_line(greetings); 6 END my_first_proc; 7 /
Procedure created. SQL> SQL> SQL> set serveroutput on SQL> EXECUTE my_first_proc; Hello World PL/SQL procedure successfully completed. SQL> SQL> BEGIN
2 my_first_proc; 3 END; 4 /
Hello World PL/SQL procedure successfully completed. SQL> SQL>
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Use EXEC to execute a Stored Procedure
<source lang="sql">
SQL> SQL> SQL> CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL,
2 ENAME VARCHAR2(10), 3 JOB VARCHAR2(9), 4 MGR NUMBER(4), 5 HIREDATE DATE, 6 SAL NUMBER(7, 2), 7 COMM NUMBER(7, 2), 8 DEPTNO NUMBER(2));
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> select * from emp;
EMPNO ENAME JOB MGR
---------- --------- ----------
HIREDATE SAL COMM
---------- ----------
DEPTNO
7369 SMITH CLERK 7902
17-DEC-1980 00:00:00 800
20 7499 ALLEN SALESMAN 7698
20-FEB-1981 00:00:00 1600 300
30 7521 WARD SALESMAN 7698
22-FEB-1981 00:00:00 1250 500
30 7566 JONES MANAGER 7839
02-APR-1981 00:00:00 2975
20 7654 MARTIN SALESMAN 7698
28-SEP-1981 00:00:00 1250 1400
30 7698 BLAKE MANAGER 7839
01-MAY-1981 00:00:00 2850
30 7782 CLARK MANAGER 7839
09-JUN-1981 00:00:00 2450
10 7788 SCOTT ANALYST 7566
09-DEC-1982 00:00:00 3000
20 7839 KING PRESIDENT
17-NOV-1981 00:00:00 5000
10
EMPNO ENAME JOB MGR
---------- --------- ----------
HIREDATE SAL COMM
---------- ----------
DEPTNO
7844 TURNER SALESMAN 7698
08-SEP-1981 00:00:00 1500 0
30 7876 ADAMS CLERK 7788
12-JAN-1983 00:00:00 1100
20 7900 JAMES CLERK 7698
03-DEC-1981 00:00:00 950
30 7902 FORD ANALYST 7566
03-DEC-1981 00:00:00 3000
20 7934 MILLER CLERK 7782
23-JAN-1982 00:00:00 1300
10
14 rows selected. SQL> SQL> CREATE OR REPLACE PROCEDURE emp_change_s (i_emp_id IN integer)
2 AS BEGIN 3 UPDATE emp 4 set ename = "S" 5 WHERE empno = i_emp_id; 6 END emp_change_s; 7 /
Procedure created. SQL> show error No errors. SQL> SQL> exec emp_change_s(7369); PL/SQL procedure successfully completed. SQL> SQL> SQL> drop table emp; Table dropped. SQL> SQL> --
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