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

Sql°æ±¾³ýÈ¥html²¢½ØÈ¡Ö¸¶¨³¤¶ÈµÄ×Ö·û´®

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
Go
----½ØÈ¡×Ö·û´®£¬²¢³öÈ¥html
create FUNCTION [dbo].[CutString] (@str varchar(1000),@length int) 
RETURNS varchar(1000) AS 
BEGIN
 declare @mainstr varchar(1000)
 declare @substr varchar(1000)
 if(@str is not null or @str!='')
 begin
  set @mainstr=dbo.regexReplace(@str,'<[\w\W]*?>','',1,1)
  set @mainstr=dbo.regexReplace(@mainstr,'&[\w\W]*?;','',1,1)
  if len(@mainstr)<=@length
     set @substr=@mainstr
  else
     set @substr=substring(@mainstr,1,@length-2)+'..'
 end
 return @substr
END


Ïà¹ØÎĵµ£º

SQL²Ù×÷È«¼¯

ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓá£
SQL·ÖÀࣺ
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE)
DML—Êý¾Ý²Ù×ÝÓïÑÔ(SELECT£¬DELETE£¬UPDATE£¬INSERT)
DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK)
Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREATE DATABASE data ......

sql group by Óë havingµÄÓ÷¨

1. GROUP BY ÊÇ·Ö×é²éѯ, Ò»°ã GROUP BY ÊǺ;ۺϺ¯ÊýÅäºÏʹÓÃ
group by ÓÐÒ»¸öÔ­Ôò,¾ÍÊÇ select ºóÃæµÄËùÓÐÁÐÖÐ,ûÓÐʹÓþۺϺ¯ÊýµÄÁÐ,±ØÐë³öÏÖÔÚ group by ºóÃæ£¨ÖØÒª£©
ÀýÈç,ÓÐÈçÏÂÊý¾Ý¿â±í£º
A    B
1    abc
1    bcd
1    asdfg
 Èç¹ûÓÐÈ ......

ʹÓÃSQLPLUSÉú³ÉHTML±¨±í

ÎÒÃÇ¿ÉÒÔÔÚSQLPLUSÖÐÊÖ¹¤ÔËÐÐAWR,ASHµÄ½Å±¾Éú³ÉHTML±¨±í£¬ÏÂÃæÀ´¼òµ¥½²½²ÔõôÀûÓÃSQLPLUSÀ´Éú³ÉHTML±¨±í
ÔÚSQLPLUSÖÐÓиöÃüÁî(¾ßÌå¿ÉÒԲο¼¹Ù·½ÎĵµSQLPLUS²¿·Ö)
SET MARK[UP] HTML [ON | OFF] [HEAD text] [BODY text] [TABLE text] [ENTMAP {ON | OFF}] [SPOOL {ON | OFF}] [PRE[FORMAT] {ON | OFF}]
Ò»£ºÊ×ÏÈÔÚSQLPLU ......

LINQ to SQL ÐÔÄÜ 10 Tips


LINQ to SQL ÐÔÄÜ 10 Tips
http://www.cnblogs.com/worksguo/archive/2008/06/04/1213075.html
ǰһÖÜ£¬ÎÒµÄÓ²ÅÌÓÐÁ½·ÖÇø»µÁË£¬ÎÒ×¼±¸µÄÎÄÕÂÓë×ÊÁ϶¼ÔÚÀïÃæ£¬ËùÒÔLINQµÄÎÄÕÂÍ£ÁËÒ»¶Îʱ¼ä£¬ÕæµÄÌ«²»ºÃÀ­£¬ÎªÀ´ÃÖ²¹Ò»Ï¾ÍÏÈ·¢ÕâÆªÎÄÕÂÉÏÀ­£¬Ã÷ÌìÔÙһƪ¹ØÓÚDisconnection DataµÄÎÄÕ¡£
Ö»²»¹ýÐҺã¬ÔÚÕ⼸ÌìÖÐÎҽ߾¡È«Á¦ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ