ʹÓÃT SQL»ñÈ¡µ½SQLServer IpºÍ¶Ë¿ÚºÅ
ÔÚÆ½Ê±µÄ¹¤×÷¹ý³ÌÖУ¬×÷ΪDBA½ÇÉ«¹ÜÀíÊý¾Ý¿â£¬Í·ÄÔÖеÄÓ¡ÏóÍùÍùÊÇÊý¾Ý¿âʵÀýÃû³Æ£¬¶ø²»»áÈ¥¹ØÐÄServerµÄIP£¬¶ø×÷ΪDeveloperµÄ½ÇÉ«£¬ËûÃÇÍùÍùÏëÖªµÀÖªµÀServer IpºÍ¶Ë¿ÚºÅ¡£ËùÒÔ£¬DBA»á¾³£±»Îʼ°µ½£ºXXXʵÀýµÄIPºÍ¶Ë¿ÚºÅÊÇʲô£¿
Õâ¸öÎÊÌ⣬µ±È»ÎÒÃÇ¿ÉÒÔLoginµ½OS²é¿´IP¡¢Ê¹ÓÃÅäÖÆ¹ÜÀí¹¤¾ß»ñÈ¡µ½¶Ë¿ÚºÅ¡£µ«ÊÇ£¬Õâ¸ö·½·¨·Ç³£µÄÂé·³£¬´ï²»µ½DBA¸ßЧ¿ìËÙ·´Ó¦µÄÒªÇó¡£
ÄÇô£¬ÕâÆªÎÄÕ¾ÍÊÇΪÁ˽â¾öЧÂÊÎÊÌ⣬ʹÓÃÏÂÃæµÄSQL Script¿ÉÒÔÇáËɵĻñÈ¡µ½SQLServer IpºÍ¶Ë¿ÚºÅ¡£
USE master
GO
DECLARE @tcpEndport VARCHAR(20)
,@regeditKey VARCHAR(100)
/**Enable xp_cmdshell
EXEC sp_configure 'show advanced options', 1
RECONFIGURE WITH OVERRIDE
EXEC sp_configure 'xp_cmdshell', 1
RECONFIGURE WITH OVERRIDE
**/
--SQLServer 2000
IF @@VERSION LIKE 'Microsoft SQL Server 2000%'--SQLServer 2000
BEGIN
SET @regeditKey= N'SOFTWARE\Microsoft\MSSQLServer\MSSQLServer\SuperSocketNetLib\Tcp'
EXEC master.dbo.xp_regread
@rootkey='HKEY_LOCAL_MACHINE'
,@key= @regeditKey
,@value_name='TcpPort'
,@value=@tcpEndport OUTPUT
END
/*
SQLServer 2005 and SQLServer 2008
*/
ELSE
BEGIN
IF @@Servicename='MSSQLSERVER'--Default instance
BEGIN
SET @regeditKey='SOFTWARE\Microsoft\MSSQLServer\MSSQLServer\SuperSocketNetLib\Tcp'
END
ELSE
BEGIN
SET @regedi
Ïà¹ØÎĵµ£º
½ñÌìдһ¸öÉÌÆ·µÄÐ޸ŦÄÜʱÓöµ½µÄÎÊÌâ
ÉÌÆ·ÖÐÖØÁ¿ weight µÄÊý¾Ý¿â(SQL Server2005)ÀàÐͶ¨ÒåΪ float
ÔÚmappings ÖÐת»»Îªc#ÀàÐ͵ÄÒ»¾äΪ
<result property="Goods_Weight" column="Goods_Weight" type="float" dbType="float"/>
°´Àí˵Õâ¸ö float ÊÇÒ»ÑùµÄ£¬×ª»»ÍêÈ«²»»á³öÏÖÎÊÌ⣬
ʵ¼Ê³ÌÐòÔËÐÐʱ£¬ÏµÍ³±¨´í
......
ÔÚ½éÉÜGROUP BY ºÍ HAVING ×Ó¾äǰ£¬ÎÒÃDZØÐèÏȽ²½²sqlÓïÑÔÖÐÒ»ÖÖÌØÊâµÄº¯Êý£º¾ÛºÏº¯Êý£¬ÀýÈçSUM, COUNT, MAX, AVGµÈ¡£ÕâЩº¯ÊýºÍÆäËüº¯ÊýµÄ¸ù±¾Çø±ð¾ÍÊÇËüÃÇÒ»°ã×÷ÓÃÔÚ¶àÌõ¼Ç¼ÉÏ¡£
SELECT SUM(population) from bbc
¡¡¡¡ÕâÀïµÄSUM×÷ÓÃÔÚËùÓзµ»Ø¼Ç¼µÄpopulation×Ö¶ÎÉÏ£¬½á¹û¾ÍÊǸòéÑ ......
˵Ã÷£ºÒÔÏÂÎåÊ®¸öÓï¾ä¶¼°´ÕÕ²âÊÔÊý¾Ý½øÐйý²âÊÔ£¬×îºÃÿ´ÎÖ»µ¥¶ÀÔËÐÐÒ»¸öÓï¾ä¡£
ÎÊÌâ¼°ÃèÊö£º
--1.ѧÉú±í
Student(S#,Sname,Sage,Ssex) --S# ѧÉú±àºÅ,Sname ѧÉúÐÕÃû,Sage ³öÉúÄêÔÂ,Ssex ѧÉúÐÔ±ð
--2.¿Î³Ì±í
Course(C#,Cname,T#) --C# --¿Î³Ì±àºÅ,Cname ¿Î³ÌÃû³Æ,T# ½Ìʦ±àºÅ
--3.½Ìʦ±í
Teacher(T#,Tname) -- ......
1¡¢Á½±í£¬Ò»ÕÅÓÐÉϰÙÍòµÄÊý¾Ý£¨±íA)£¬ÁíÒ»ÕÅÖ»ÓÐÒ»Íò¶àÌõÊý¾Ý£¨±íB£©£¬A±íµÄÍâ¼ü¹ØÁªµ½B±íµÄÖ÷¼üÉÏ¡£
ÎÊÏÂÃæÁ½ÌõSQLÓï¾ä£¬ÄÇÌõÐÔÄܸü¸ß£¿
(1)SELECT A.ID, B.ID from A, B WHERE A.FID = B.ID
(2)SELECT A.ID, B.ID from B, A WHERE A.FID = B.ID ......
select a.UserName Óû§Ãû,b.LoginName ºÅÂë,c.MenuTitle ±êÌâ,max(a.AccessTime)·ÃÎÊʱ¼ä from JfAccessLog a,OaUser b,JfMenu c where CONVERT(char,a.AccessTime,112)=CONVERT(char,GETDATE(),112) and a.UserId=b.UserId and a.MenuId=c.MenuId and a.MenuId=@menu group by a.UserName,b.LoginName,c.Menu ......