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

mssql Öн«ºº×Öת»»ÎªÆ´ÒôÊ××Öĸ·½·¨


1.
--½«ºº×Öת»»ÎªÆ´ÒôÊ××Öĸ
CREATE   function   GetAllPY(@str   nvarchar(4000))
returns   nvarchar(4000)
--WITH   ENCRYPTION
as
begin
declare   @intLen int
declare   @strRet nvarchar(4000)
declare   @temp   nvarchar(100)
set   @intLen   =   len(@str)
set   @strRet   =   ''
while   @intLen   >   0
begin
set   @temp   =   ''
select   @temp   =   case   
when   substring(@str,@intLen,1)   >=   '帀'   then   'Z'
when   substring(@str,@intLen,1)   >=   'Ѿ'   then   'Y'
when   substring(@str,@intLen,1)   >=   'Ϧ'   then   'X'
when   substring(@str,@intLen,1)   >=   '屲'   then   'W'
when   substring(@str,@intLen,1)   >=   'Ëû'   then   'T'
when   substring(@str,@intLen,1)   >=   'Øí'   then   'S'
when   substring(@str,@intLen,1)   >=   '呥'   then   'R'
when   substring(@str,@intLen,1)   >=   'Æß'   then   'Q'
when   substring(@str,@intLen,1)   >=   '妑'   then   'P'
when   substring(@str,@intLen,1)   >=   'àÞ'   then   'O'
when   substring(@str,@intLen,1)   >=   '拏'   then   'N'
when   substring(@str,@intLen,1)   >=   '嘸'   then   'M'
when   substring(@str,@intLen,1)   >=   'À¬'   then   'L'
when   substring(@str,@intLen,1)   >=   'ßÇ'   then   'K'
when   substring(@str,@intLen,1)   >=   'Ø¢'   then     'J'
when   substring(@str,@intLen,1)   >=   'îþ'   then   'H'
when   substring(@str,@intLen,1)   >=   'ê


Ïà¹ØÎĵµ£º

MSSQLµÄһЩÓ÷¨¼¯ºÏ

ÔÚselect語¾äÀïÃæ¿ÉÒÔʹÓÃcase來對ij個colmunµÄÖµ進ÐзÖ別處Àí£¬±ÈÈç
select case color
when 1 then 'red'
when 2 then 'green'
when 3 then 'blue'
else 'black'
end as 'colorName',
foodName from foods
Èç¹ûʹÓÃÁËleft joinµÄ時ºò£¬Ä³個columnµÄn ......

c# ²Ù×÷mssqlÊý¾Ý¿â º¬Óдø²ÎÊýsqlÓï¾äÔËÐÐ

<?xml version="1.0" encoding="utf-8"?>
<configuration>
 <appSettings>
  <add key="Default" value="Default" />
 </appSettings>
 <connectionStrings>
  <add name="Default" connectionString="Data Source=192.168.1.197;User ID ......

mssql sysobjects type˵Ã÷

xtype ´ú±íÀàÐÍ 
C = CHECK Ô¼Êø 
D = ĬÈÏÖµ»ò DEFAULT Ô¼Êø 
F = FOREIGN KEY Ô¼Êø 
L = ÈÕÖ¾ 
FN = ±êÁ¿º¯Êý 
IF = ÄÚǶ±íº¯Êý 
P = ´æ´¢¹ý³Ì 
PK = PRIMARY KEY Ô¼Êø£¨ÀàÐÍÊÇ K£© 
RF = ¸´ÖÆÉ¸Ñ¡´æ´¢¹ý³Ì 
S = ϵͳ±í 
TF = ±íº¯Êý 
TR = ´¥· ......

mssql´æ´¢¹ý³ÌÊÕ¼¯


sql´æ´¢¹ý³Ì½Ì³Ì
[ËѼ¯ÕûÀí]sql´æ´¢¹ý³ÌÍêÈ«½Ì³Ì 
Ŀ¼
1.sql´æ´¢¹ý³Ì¸ÅÊö
2.SQL´æ´¢¹ý³Ì´´½¨
3.sql´æ´¢¹ý³Ì¼°Ó¦ÓÃ
4.¸÷ÖÖ´æ´¢¹ý³ÌʹÓÃÖ¸ÄÏ
5.ASPÖд洢¹ý³Ìµ÷ÓõÄÁ½ÖÖ·½Ê½¼°±È½Ï
6.SQL´æ´¢¹ý³ÌÔÚ.NETÊý¾Ý¿âÖеÄÓ¦Óà
7.ʹÓÃSQL´æ´¢¹ý³ÌÒªÌØ±ð×¢ÒâµÄÎÊÌâ
1.sql´æ´¢¹ý³Ì¸ÅÊö
ÔÚ´óÐÍÊý¾Ý¿âϵͳÖУ¬´æ´ ......

MSSQLÊý¾ÝÀàÐͼ°³¤¶ÈÏÞÖÆÏêϸ˵Ã÷

SQL Server ÌṩϵͳÊý¾ÝÀàÐͼ¯£¬¶¨ÒåÁË¿ÉÓë SQL Server Ò»ÆðʹÓõÄËùÓÐÊý¾ÝÀàÐÍ¡£ÏÂÃæÁгöϵͳÌṩµÄÊý¾ÝÀàÐͼ¯¡£
¿ÉÒÔ¶¨ÒåÓû§¶¨ÒåµÄÊý¾ÝÀàÐÍ£¬ÆäÊÇϵͳÌṩµÄÊý¾ÝÀàÐ͵ıðÃû¡£ÓйØÓû§¶¨ÒåµÄÊý¾ÝÀàÐ͵ĸü¶àÐÅÏ¢£¬Çë²Î¼û sp_addtype ºÍ´´½¨Óû§¶¨ÒåµÄÊý¾ÝÀàÐÍ¡£
µ±Á½¸ö¾ßÓв»Í¬Êý¾ÝÀàÐÍ¡¢ÅÅÐò¹æÔò¡¢¾«¶È¡¢Ð¡ÊýλÊý»ò³ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ