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

SQLÅжÏ×Ö¶ÎÀàÐÍ

-->Title:Generating test data
-->Author:wufeng4552
-->Date :2009-09-25 09:56:07
if object_id('tb')is not null drop table tb
go
create table tb(ID int,name text)
insert tb select 1,'test'
go
--·½·¨1
select sql_variant_property(ID,'BaseType') from tb
--·½·¨2
select object_name(ID)±íÃû,
       c.name ×Ö¶ÎÃû,
       t.name Êý¾ÝÀàÐÍ,
       c.prec ³¤¶È
from syscolumns c
inner join systypes t
on c.xusertype=t.xusertype
where objectproperty(id,'IsUserTable')=1 and id=object_id('tb')


Ïà¹ØÎĵµ£º

SQL²éѯÓï¾äʹÓÃ

Ò»¡¢¼òµ¥²éѯ
¡¡¡¡ ¼òµ¥µÄTransact-SQL²éѯֻ°üÀ¨Ñ¡ÔñÁÐ±í¡¢from×Ó¾äºÍWHERE×Ӿ䡣
ËüÃÇ·Ö±ð˵Ã÷Ëù²éѯÁС¢²éѯµÄ
±í»òÊÓͼ¡¢ÒÔ¼°ËÑË÷Ìõ¼þµÈ¡£
ÀýÈ磬ÏÂÃæµÄÓï¾ä²éѯtesttable±íÖÐÐÕÃûΪ“ÕÅÈý”µÄnickname×ֶκÍemail×ֶΡ£
SELECT nickname,email
from testtable WHERE name='ÕÅÈý'
(Ò»)Ñ¡ÔñÁбí
¡ ......

¼¼Çɺ;÷ÇÏ£º·À·¶SQL×¢Èë¹¥»÷

¡¾Ô­ÎĵØÖ·¡¿Tip/Trick: Guard Against SQL Injection Attacks
¡¾Ô­ÎÄ·¢±íÈÕÆÚ¡¿ Saturday, September 30, 2006 9:11 AM
SQL×¢Èë¹¥»÷ÊǷdz£ÁîÈËÌÖÑáµÄ°²È«Â©¶´£¬ÊÇËùÓеÄweb¿ª·¢ÈËÔ±£¬²»¹ÜÊÇʲôƽ̨£¬¼¼Êõ£¬»¹ÊÇÊý¾Ý²ã£¬ÐèҪȷÐÅËûÃÇÀí½âºÍ·ÀÖ¹µÄ¶«Î÷¡£²»ÐÒµÄÊÇ£¬¿ª·¢ÈËÔ±ÍùÍù²»¼¯Öл¨µãʱ¼äÔÚÕâÉÏÃæ£¬ÒÔÖÁËûÃǵÄÓ¦Ó㬠......

MS SQL SERVER 2005È«ÎÄË÷Òý


MS SQL SERVER 2005È«ÎÄË÷Òýѧϰ±Ê¼ÇÒ»
      ÏÈÁ˽âÒ»ÏÂÈ«ÎÄË÷ÒýÊÇÈçºÎ´´½¨ºÍʹÓõÄ
      ´´½¨È«ÎÄË÷Òý:
      ÔÚMS SQL SERVER 2005Àï,È«ÎÄË÷ÒýÊÇÒ»¸öµ¥¶ÀµÄ·þÎñÏî,ĬÈÏÊÇÆô¶¯µÄ,µ«ÊÇûÓÐÔÊÐíÊý¾Ý¿âÆôÓÃÈ«ÎÄË÷Òý,Èç¹ûÒ ......

ORACLEºÍSQLÓï·¨Çø±ð¹éÄÉ

¹Ø¼ü×Ö: oracle & sql server
Êý¾ÝÀàÐͱȽÏ
ÀàÐÍÃû³Æ
Oracle
SQLServer
±È½Ï
×Ö·ûÊý¾ÝÀàÐÍ CHAR CHAR ¶¼Êǹ̶¨³¤¶È×Ö·û×ÊÁϵ«oracleÀïÃæ×î´ó¶ÈΪ2kb£¬SQLServerÀïÃæ×î´ó³¤¶ÈΪ8kb
±ä³¤×Ö·ûÊý¾ÝÀàÐÍ VARCHAR2 VARCHAR OracleÀïÃæ×î´ó³¤¶ÈΪ4kb£¬SQLServerÀïÃæ×î´ó³¤¶ÈΪ8kb
¸ù¾Ý×Ö·û¼¯¶ø¶¨µÄ¹Ì¶¨³¤¶È×Ö· ......

SQL Server 2005ÖÐÊý¾ÝÍÚ¾òËã·¨À©Õ¹·½·¨


ÕªÒª£º±¾ÎĽ«½éÉÜSQL Server 2005 Analysis ServicesÖÐÊý¾ÝÍÚ¾òËã·¨À©Õ¹·½·¨£¬ÔÚÆ½Ê±¿ª·¢ÖÐÎÒÃÇÐèÒª¸ù¾ÝÒªÇóÀ´À©Õ¹SSASµÄÍÚ¾òËã·¨¡£
±êÇ©£ºSQL  Server 2005  Êý¾ÝÍÚ¾ò  Ëã·¨
SSASΪÎÒÃÇÌṩÁ˾ÅÖÖÊý¾ÝÍÚ¾òËã·¨£¬µ«ÊÇÔÚÓ¦ÓÃÖÐÎÒÃÇÐèÒª¸ù¾Ýʵ¼ÊÎÊÌâÉè¼ÆÊʵ±µÄËã·¨£¬Õâ¸öʱºò¾ÍÐèÒªÀ©Õ¹SSA ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ