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

SQL Óï¾äΪ±íÔö¼Ó,ÐÞ¸Ä,ɾ³ýÁÐ

1.ÐÞ¸ÄÁÐ
    EXEC sp_rename 'TableName.ColumnName','NewColumName'
2.Ôö¼ÓÁÐ
    ALTER TABLE TableName ADD ColumnName int  --Type In Here
3.ɾ³ýÁÐ
    ALTER TABLE TableName DROP Column ColumnName


Ïà¹ØÎĵµ£º

sql´¥·¢Æ÷ʵÏÖ×Ô¶¯±àºÅ¸ñʽ


ʹÓô¥·¢Æ÷À´ÊµÏÖ
create table test(
id varchar(20),
sname varchar(20)
)
create TRIGGER [test_insert] ON [dbo].[test]
INSTEAD OF INSERT
AS
declare @str varchar(20)
declare @i integer
set @str = 'BV'+left(convert(char,getdate(),112),6)
select @i=isnull(max(cast(right(rtrim(id),len(id)-8 ......

PL/SQL Developer ʹÓü¼ÇÉС½á

ÒÔϵļ¼ÇÉÖ»Õë¶ÔPL/SQL Developer 6ÒÔÉϰ汾£¬°æ±¾5Ö»ÓÐÆäÖеIJ¿·ÖÌØÐÔ¡£
1£¬ÓÒ¼ü²Ëµ¥
ÔÚPL/SQL Developer£¨ÏÂÃæ¼ò³ÆPLD£©ÖеÄÿһ¸öÎı¾±à¼­´°¿Ú£¬ÈçSQL Window£¬Command WindowºÍPorgram Window£¬ÓÒ¼üµã»÷ij¸ö¶ÔÏóÃû³Æ£¬»áµ¯³öÒ»¸ö°üº¬²Ù×÷¶ÔÏóÃüÁîµÄ²Ëµ¥£¬ÎÒÃÇÕâÀï³ÆÖ®ÎªÓÒ¼ü²Ëµ¥¡£ÈçÏÂͼ£º
¶ÔÏóÀàÐÍ¿ÉÒÔÊÇ±í£¬ÊÓͼ£ ......

Ö彨ÀÏʦµÄSQLÈ«½Ç/°ë½Çת»»

if   exists   (select   *   from   dbo.sysobjects   where   id   =   object_id(N'[dbo].[f_convert]')   and   xtype   in   (N'FN',   N'IF',   N'TF'))&n ......

ʹÓÃSQL*PLUS¹¹½¨ÍêÃÀexcel»òhtmlÊä³ö

ת×Ô£ºhttp://hong9270503.blog.163.com/blog/static/127292320091611319516/
ͨ¹ýSQL*PLUSÎÒÃÇ¿ÉÒÔ¹¹½¨ÓѺõÄÊä³ö£¬Âú×ã¶àÑù»¯Óû§ÐèÇó¡£
¡¡¡¡
±¾Àýͨ¹ý¼òµ¥Ê¾Àý£¬½éÉÜͨ¹ýsql*plusÊä³öxls£¬htmlÁ½ÖÖ¸ñʽÎļþ.
¡¡¡¡ Ê×ÏÈ´´½¨Á½¸ö½Å±¾:
¡¡¡¡
1.main.sql
¡¡¡¡ ÓÃÒÔÉèÖû·¾³£¬µ÷ÓþßÌ幦Äܽű¾
¡¡¡¡ 2.¹¦Äܽű¾-ge ......

¡¾×ª¡¿ ¡¾SQL¡¿ÐÐÁÐת»»

¡¾SQL¡¿ÐÐÁÐת»»
http://space.itpub.net/519536/viewspace-609167
Ò»¡¢ÁбäÐÐ
1.´´½¨²âÊÔ±ítest£¬²¢³õʼ»¯ÊµÑéÊý¾Ý
sec@ora10g> create table test (name_id varchar2(10), name varchar2(10));
sec@ora10g> insert into test values ('01','Andy1');
sec@ora10g> insert into test values ('01','Andy2'); ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ