Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

sql»Ö¸´xp_regread

sql»Ö¸´xp_regread
ɾ³ýµôxp_regreadºó£¬·¢ÏÖÒÔÇ°µÄ×÷Òµ²»Äܲ鿴£¬Ö»ÄÜÈ¥»Ö¸´ÁË¡£
exec sp_addextendedproc 'Xp_dirtree','xpstar.dll'    »Ö¸´ºó·¢ÏÖ²»ÄÜʹÓÃ
ÕÒµ½dbcc addextendedproc ("Xp_regread","xpstar.dll") »¹ÊDz»ÄÜʹÓÃ
ºóÀ´²Å·¢ÏÖ»Ö¸´µÄʱºòÒªÓÃСдdbcc addextendedproc ("xp_regread","xpstar.dll")£¬ÕâÑù¾Í¿ÉÒÔÁË


Ïà¹ØÎĵµ£º

×ÔÔö×ֶεÄSQLÓï¾ä½â¾ö·½°¸

create table [±íÃû]
(
[×Ô¶¯±àºÅ×Ö¶Î] int IDENTITY (1,1) PRIMARY KEY ,
[×Ö¶Î1] nVarChar(50) default 'ĬÈÏÖµ' null ,
[×Ö¶Î2] ntext null ,
[×Ö¶Î3] datetime,
[×Ö¶Î4] money null ,
[×Ö¶Î5] int default 0,
[×Ö¶Î6] Decimal (12,4) default 0,
[×Ö¶Î7] image null ,
)
ɾ³ý±í£º
Drop table [ ......

SQL Server ѹËõÈÕÖ¾¿Õ¼ä

ʹÓÃÁËÒ»¶Îʱ¼äºó£¬SQL Server µÄ LDFÎļþÌå»ý¾Þ´ó.
ÈçºÎ´¦ÀíàÏ, ¶ÔÓÚ SQL Server 2005 ¼°Ö®Ç°µÄ°æ±¾£¬¿ÉÒÔʹÓÃÈçÏ SQL£º
declare @name varchar(50)
set @name='dbname
'
backup
log @name
with truncate_only
dbcc shrinkdatabase (@name,20)
¿ÉÊÇÔÚ SQL Server 2008 ¿ªÊ¼£¬Ö´ÐÐÉÏÃæµÄÓï¾ä»á±¨´í:
'truncate ......

sqlÓï¾äѧϰ±Ê¼Ç(8) Ìí¼ÓÔ¼Êø£¬ÊµÏÖÊý¾ÝÍêÕûÐÔ

USE StudentInfo
--=====================================================
--Author     £ºyangjuncheng  
--Create Date:2010.5.26
--Decription :¸ø±íÌí¼ÓÔ¼Êø£¨¿ÉÒÔÔÚ´´½¨±íʾֱ½ÓÌí¼Ó
--            Ò²¿ÉÒÔʹÓÃalter¹Ø¼ ......

sqlС±Ê¼Ç£¨5.26£©

sql server 2005 ¼òµ¥ÔËÓú¯Êý
1.null º¯Êý
  Ó÷¨ÓëoracleÖÐnvl()ÀàËÆ£¬´¦Àíº¯ÊýΪisnull()£¬
  ÀýÈ磺
    select ename,sal+isnull(comm,0)
    from emp
    go
  isnull(comm,0)µÄÓ÷¨ÊÇ£º commΪnull Ôò·µ»Ø0 ·ñÔòΪ commµÄÖµ¡£
2.V ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ