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oracle ´æ´¢¹ý³ÌµÄ»ù±¾Óï·¨
1.»ù±¾½á¹¹
CREATE OR REPLACE PROCEDURE ´æ´¢¹ý³ÌÃû×Ö
(
    ²ÎÊý1 IN NUMBER,
    ²ÎÊý2 IN NUMBER
) IS
±äÁ¿1 INTEGER :=0;
±äÁ¿2 DATE;
BEGIN
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END ´æ´¢¹ý³ÌÃû×Ö
2.SELECT INTO STATEMENT
½«select²éѯµÄ½á¹û´æÈëµ½±äÁ¿ÖУ¬¿ÉÒÔͬʱ½«¶à¸öÁд洢¶à¸ö±äÁ¿ÖУ¬±ØÐëÓÐÒ»Ìõ
¼Ç¼£¬·ñÔòÅ׳öÒì³£(Èç¹ûûÓмǼÅ׳öNO_DATA_FOUND)
Àý×Ó£º
BEGIN
SELECT col1,col2 into ±äÁ¿1,±äÁ¿2 from typestruct where xxx;
EXCEPTION
WHEN NO_DATA_FOUND THEN
     xxxx;
END;
...
3.IF ÅжÏ
IF V_TEST=1 THEN
    BEGIN
       do something
    END;
END IF;
4.while Ñ­»·
WHILE V_TEST=1 LOOP
BEGIN
XXXX
END;
END LOOP;
5.±äÁ¿¸³Öµ
V_TEST := 123;
6.ÓÃfor in ʹÓÃcursor
...
IS
CURSOR cur IS SELECT * from xxx;
BEGIN
FOR cur_result in cur LOOP
   BEGIN
    V_SUM :=cur_result.ÁÐÃû1+cur_result.ÁÐÃû2
   END;
END LOOP;
END;
7.´ø²ÎÊýµÄcursor
CURSOR C_USER(C_ID NUMBER) IS SELECT NAME from USER WHERE TYPEID=C_ID;
OPEN C_USER(±äÁ¿Öµ);
LOOP 54ne.com
FETCH C_USER INTO V_NAME;
EXIT FETCH C_USER%NOTFOUND;
    do something
END LOOP;
CLOSE C_USER;
8.ÓÃpl/sql developer debug
Á¬½ÓÊý¾Ý¿âºó½¨Á¢Ò»¸öTest WINDOW
ÔÚ´°¿ÚÊäÈëµ÷ÓÃSPµÄ´úÂë,F9¿ªÊ¼debug,CTRL+Nµ¥²½µ÷ÊÔ
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exp Óû§Ãû/ÃÜÂë@Êý¾Ý¿âÃû file=ÐèÒª±£´æµÄÎļþ.dmp tables=£¨A±í,B±í....£© log=ÈÕÖ¾.log
exp jjeto_eim_user/jjetoeimuser@EIM ......

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select * from emp where rownum <= 5
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select * from emp where rownum > 5
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1 Oracle executes your quer ......

oracle ³£Óú¯Êý

1. select * from emp;
2. select empno, ename, job from emp;
3. select empno ±àºÅ, ename ÐÕÃû, job ¹¤×÷ from emp;
4. select job from emp;
5. select distinct job from emp;
6. select distinct empno, job from emp;
˵Ã÷:ÒòΪ¹ÍÔ±±àºÅ²»Öظ´, ËùÒÔ´Ëʱ֤Ã÷ËùÓеÄÁÐûÓÐÖØ¸´,ËùÒÔ²»ÄÜÏû ......

OracleÖÐKill sessionµÄÑо¿

ÎÒÃÇÖªµÀ,ÔÚOracleÊý¾Ý¿âÖÐ,¿ÉÒÔͨ¹ýkill sessionµÄ·½Ê½À´ÖÕÖ¹Ò»¸ö½ø³Ì,Æä»ù±¾Óï·¨½á¹¹Îª:
alter system kill session 'sid,serial#' ;
±»killµôµÄsession,״̬»á±»±ê¼ÇΪkilled,Oracle»áÔÚ¸ÃÓû§ÏÂÒ»´ÎtouchʱÇå³ý¸Ã½ø³Ì.
ÎÒÃÇ·¢ÏÖµ±Ò»¸ösession±»killµôÒԺ󣬸ÃsessionµÄpaddr±»Ð޸ģ¬Èç¹ûÓжà¸ösession±»kill£¬ÄÇô¶ ......

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--kill sessionÓï¾ä
alter system kill session'50,492';
--ÒÔϼ¸¸öΪÏà¹Ø±í
SELECT * from v$lock;
SELECT * from v$sqlarea;
SELECT * from v$session;
SELECT * from v$process ;      
SELECT * from v$locked_object;   
SELECT * from all_ ......
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