Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ORACLEÊý¾Ý¿â±íµÄ²Ù×÷

      ×î½üæÓÚ¹«Ë¾µÄÏîÄ¿¿ª·¢£¬ºÜ¾ÃûÓÐÀ´csdnÁË¡£½ñÌìÎÞÊ£¬ÉÏÀ´Ð´µã¶«Î÷¡£¹©´ó¼Ò²Î¿¼£¬²»¶ÔµÄµØ·½»¹Ï£Íû´ó¼ÒÅúÆÀÖ¸Õý¡£
     Ò»ÏÂÊǶÔoracleÊý¾Ý¿â±íµÄһЩ²Ù×÷Óï¾ä£º
ÒѾ­½¨ºÃµÄ±íÌí¼Ó×Ö¶Î
alter   table   Tablename   add(column1   varchar2(20) default 'Y',column2   number(7,2)...)
ɾ³ý×ֶΣº
alter table Tablename  drop column assessment_methods
Ϊ×Ö¶ÎÌí¼Ó×¢ÊÍ£º
comment on column bill_result.bill_no is 'Ãû´Î';
Ð޸ıíµÄ×Ö¶ÎÃû³Æ
ALTER TABLE table_name   RENAME COLUMN column1 TO column2;
--Ϊ±ítablename1  µÄis_deletedÁÐÌí¼ÓĬÈÏÖµ
alter table tablename1  modify is_deleted default 'N'


Ïà¹ØÎĵµ£º

Oracle PL/SQLÖÐÈçºÎʹÓÃ%TYPEºÍ%ROWTYPE

¡¡
¡¡¡¡1. ʹÓÃ%TYPE
¡¡¡¡ÔÚÐí¶àÇé¿öÏ£¬PL/SQL±äÁ¿¿ÉÒÔÓÃÀ´´æ´¢ÔÚÊý¾Ý¿â±íÖеÄÊý¾Ý¡£ÔÚÕâÖÖÇé¿öÏ£¬±äÁ¿Ó¦¸ÃÓµÓÐÓë±íÁÐÏàͬµÄÀàÐÍ¡£ÀýÈ磬students±íµÄfirst_nameÁеÄÀàÐÍΪVARCHAR2(20),ÎÒÃÇ¿ÉÒÔ°´ÕÕÏÂÊö·½Ê½ÉùÃ÷Ò»¸ö±äÁ¿£º
¡¡¡¡DECLARE
¡¡¡¡ v_FirstName VARCHAR2(20);
¡¡
¡¡µ«ÊÇÈç¹ûfirst_nameÁе͍Òå¸Ä±äÁ ......

CodeSmithÁ¬½ÓAccess,Sql,Oracle,mysql

ACCESSÊý¾Ý¿â
1:CodeSmithÑ¡ÖÐÁ´½ÓÀàÐÍÊÇ£ºADOXSchema
2:ÎÞÃÜÂëµÄAccessÁ´½ÓΪ£º
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\hh\db.mdb;
3:ÓÐÃÜÂëµÄAccessÁ´½Ó£º
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\hh\db.mdb;
Jet OLEDB:Database Password=1111
SqlÊý¾Ý¿â
server=192.1.1.14;User ID=test; ......

jdbcÖе÷ÓÃoracle ·µ»ØÓαêÀàÐ͵Ĵ洢¹ý³Ì

1¡¢´´½¨±í£º
     create table stud(
            sid int,
            sname varchar2(50)
     )
     ²¢²åÈëÒ»ÌõÊý¾Ý
 &n ......

oracle PL/SQL FOR UPDATE Óë FOR UPDATE OFµÄÇø±ð

PL/SQL-FOR UPDATE Óë FOR UPDATE OFµÄÇø±ð
url:http://hi.baidu.com/1413/blog/item/a521251f7e5993c4a686696b.html
Êý¾Ý¿â oracle for update of   ºÍ   for updateÇø±ð    
select * from TTable1 for update Ëø¶¨±íµÄËùÓÐÐУ¬Ö»ÄܶÁ²»ÄÜд
2 select * from TTable1 wher ......

jspÁ¬½ÓoracleÊý¾Ý¿â

Ê×ÏÈÄãÒªÓÐtomcat,»¹ÒªÓÐoracle jdbcµÄjarµµµÈ»·¾³.
µÚÒ»²½:  дJSP
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@(des ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ