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

´Ó¸÷ÖÖλÖýØÈ¡×Ö·û´®µÄSQLÓï·¨

Öª: ×Ö¶ÎA='F:\photo\Winter Leaves.jpg'  
ÒªÇó:·Ö¶Î½Øȡÿ¶Î×Ö·û[×Ö¶ÎA²»ÄÜΪTEXTÀàÐÍ,·ñÔò±¨´í]
½â¾ö·½·¨:
---½ØÈ¡×Ö·û´®AµÄµÚÒ»¸ö\×ó±ßµÄ×Ö·û´®
select left(A,charindex('/',A)-1)
Êä³ö½á¹û£ºF:
---½ØÈ¡\ÖмäµÄ×Ö·û´®
select  left(stuff(A,1,charindex('/',A),''),charindex('/',stuff(A,1,charindex('/',A),''))-1)
Êä³ö½á¹û£ºphoto
---½ØÈ¡×îºóÒ»¸ö\ºóÃæµÄ×Ö·û´®
select  reverse(left(reverse(A),charindex('/',reverse(A))-1))
Êä³ö½á¹û£ºWinter Leaves.jpg
 
---½ØÈ¡×Ö·û´®AµÄÊ××ÖÄ»
select  STUFF(A,1, 1, '')
Êä³ö½á¹û£º:\photo\Winter Leaves.jpg


Ïà¹ØÎĵµ£º

[ÊÕ£] ÓÃsqlite Ö´Ðбê×¼ sql Óï·¨

http://www.umgr.com/blog/PostView.aspx?bpId=36294
 1. Ö´ÐÐsqlÓï¾ä
int sqlite3_exec(sqlite3*£¬ const char *sql£¬ sqlite3_callbacksql Óï·¨
£¬ void *£¬  char **errmsg );
Õâ¾ÍÊÇÖ´ÐÐÒ»Ìõ sql Óï¾äµÄº¯Êý¡£
µÚ1¸ö²ÎÊý²»ÔÙ˵ÁË£¬ÊÇÇ°Ãæopenº¯ÊýµÃµ½µÄÖ¸Õ롣˵ÁËÊǹؼüÊý¾Ý½á¹¹¡£
µÚ2¸ö²ÎÊýconst char ......

SQL´æ´¢¹ý³Ì²âÊÔ£¨5£©——´ÓT

ÎÊÌâ
      ÈçºÎÈÃT-SQL²âÊÔÌ×¼þ°Ñ²âÊÔÓÃÀý½á¹ûÖ±½ÓдÈëÎı¾Îļþ
Éè¼Æ
      ʹÓÃActiveX¼¼ÊõʵÀý»¯Ò»¸öFileSystemObject¶ÔÏó£¬È»ºóͨ¹ýOpenTextFile()ºÍWriteLine()·½·¨Ö±½Ó°Ñ²âÊÔ½á¹ûдÈëÎļþ¡£
·½°¸
declare @fsoHandle int,@fileID int
exec sp_OACreate 'Scr ......

SQL Server2005 ±í·ÖÇøÈý²½Çú

Ç°ÑÔ
SQL Server 2005¿ªÊ¼Ö§³Ö±í·ÖÇø£¬ÕâÖÖ¼¼ÊõÔÊÐíËùÓеıí·ÖÇø¶¼±£´æÔÚͬһ̨·þÎñÆ÷ÉÏ¡£Ã¿Ò»¸ö±í·ÖÇø¶¼ºÍÔÚij¸öÎļþ×é(filegroup)Öеĵ¥¸öÎļþ¹ØÁª¡£Í¬ÑùµÄÒ»¸öÎļþ/Îļþ×é¿ÉÒÔÈÝÄɶà¸ö·ÖÇø±í¡£ÔÚÕâÖÖÉè¼Æ¼Ü¹¹Ï£¬Êý¾Ý¿âÒýÇæÄܹ»Åж¨²éѯ¹ý³ÌÖÐÓ¦¸Ã·ÃÎÊÄĸö·ÖÇø£¬¶ø²»ÓÃɨÃèÕû¸ö±í¡£Èç¹û²éѯÐèÒªµÄÊý¾ÝÐзÖÉ¢ÔÚ¶à¸ö·ÖÇøÖ ......

²é¿´sql server lock


 drop   table   #t  
  create   table   #t(req_spid   int,obj_name   sysname)   
  declare   @s   nvarchar(4000)   
  ,@rid   int,@dbname   sysname,@id   int,@objname   sysnam ......

SQL Server ¼¸¸öºÃÓõÄSQLÓï¾ä

SQL Server ¼¸¸öºÃÓõÄSQLÓï¾ä
1¡¢¸´ÖƱí
 select * into desttable from srctable
 ½« srctable ÍêÕûµØ¸´ÖÆÒ»·Ýµ½ desttable ÖУ¬µ±È»ºóÃæÒ²¿ÉÒÔ¼ÓÉÏÌõ¼þÀ´ÏÞ¶¨ÐèÒª¸´ÖƵļǼ
 ÒªÇó£ºdesttable ±ØÐëΪ²»´æÔڵıíÃû¡£
 insert into desttable(column1, column2) select columna, columnb from sr ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ