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
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
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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1.ÔÚoracleÖУ¬Êý¾Ý±í±ðÃû²»ÄܼÓas£¬È磺
select a.appname from appinfo a;-- ÕýÈ·
select a.appname from appinfo as a;-- ´íÎó
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select af.keynode into kn from APPFOUNDATION af where&nb
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%NOTFOUND ûÓÐÕÒµ½½á¹û»òûÓвÙ×÷³É¹¦
%FOUND ÕÒµ½½á¹û»ò²Ù×÷³É¹¦
%ROWCOUNT ÓαêÓ°ÏìµÄÐÐÊý
%ISOPEN ÓαêÊÇ·ñ´ò¿ª Ò ......
LENGTH calculates length using characters as defined by the input character set.
LENGTHB uses bytes instead of characters.
VSIZE returns the number of bytes in the internal representation of expr.
LENGTHC uses Unicode complete characters.
LENGTH2 uses UCS2 codepoints.
......
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select sid,serial# from v$session where username='ERP';
²éѯ½á¹û£º
sid serial#
222 123
122 233
Ç¿ÐжϿªÓû§Á¬½Ó£º
alter system kill session 'sid,serial';
ÀýÈ磺
alter system kill session '222,123';
......
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import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
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