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SQL Server CLRÈ«¹¦ÂÔÖ®ËÄ

CLR¿ÉÒÔʵÏÖDMLºÍDDLÁ½ÖÖ´¥·¢ÐÎʽ£¬µ«ÊDZ¾ÈËÒ»°ã²»½¨ÒéʹÓÃCLRµÄ´¥·¢Æ÷£¬Ö÷ÒªÊÇ¿¼Âǵ½Ð§ÂÊÎÊÌâ¡£±ÈÈçÎÒÃÇʹÓÃtriggerÀ´ÊµÏÖ·¢mailµÈ²Ù×÷ʱ£¬¾ÍÒª¿¼ÂÇpop3»òÊÇsmtpµÈ´ýʱ¼ä£¬ÒòΪtrigger±¾Ê¾ÍÊǸöÊÂÎñ£¬Ò²¾ÍÊÇ˵£¬ÔÚsmtpµÈ´ýʱ¼äÒ²ËãÔÚÁËÕû¸öÊÂÎñÖУ¬ÕâÑù¾Í»á´ó´óÓ°ÏìЧÂÊ¡£
1.CLR DML´¥·¢Æ÷
DMLÖ¸µÄÊÇÊý¾Ý²Ù×÷ÓïÑÔ£¬Ò²¾ÍÊÇͨ³£µÄinsert,updateºÍdelete²Ù×÷¡£Õâ¸ö´¥·¢Æ÷Ö÷ҪʵÏÖÔÚ¶ÔpubsÊý¾Ý¿âÖеÄauthor±í½øÐÐinsert,update,deleteʱ£¬»áÏÔʾÏàÓ¦µÄ²Ù×÷Ãû³Æ¡£
///
    /// °Ñinsert,update,delete²Ù×÷¶¼ÏÔʾ³öÀ´
    ///
    [Microsoft.SqlServer.Server.SqlTrigger(
        Name = "UF_DML_Trigger",
        Target = "dbo.authors",
        Event = "FOR INSERT, UPDATE, DELETE")]
    public static void UF_DML_Trigger()
    {
        switch (SqlContext.TriggerContext.TriggerAction)
        {
            case TriggerAction.Insert:
                SqlContext.Pipe.Send("Trigger Insert");
                break;
            case TriggerAction.Update:
                SqlContext.Pipe.Send("Trigger Update");
                break;
            case TriggerAction.Delete:
                SqlContext.Pipe.Send("Trigger Delete");
              


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SQL Server 2005ÖеÄÎļþºÍÎļþ×é

 Author : wufeng4552                           Date   : 2009-10-23
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    ÿ¸öÊý¾Ý¿âÓÐÒ»¸öÖ÷Êý¾ÝÎļþ.ºÍÈô¸É¸ö´ÓÎÄ ......

sql server2000ÖÐÔõô¶Ô´æ´¢¹ý³Ì½øÐмÓÃܺͽâÃÜ

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from the Books Online:
Use the WITH ENCRYPTION option:
IF EXISTS (SELECT name from sysobjects
WHERE name = 'encrypt_this' AND type = 'P')
DROP PROCEDURE encrypt_this
GO
USE pubs
GO
CREATE PROCEDURE encrypt_this
WITH ENCRYPTION
AS
SELECT *
from authors
GO
EXEC sp ......

ÊÓͼµÄ´´½¨¼°Ê¹ÓÃ(sql server 2005)

ÊÓͼµÄ´´½¨¼°Ê¹ÓÃ(sql server 2005)
´´½¨Ò»¸öÐéÄâ±í£¬¸Ã±íÒÔÒ»ÖÖ±¸Ó÷½Ê½Ìṩһ¸ö»ò¶à¸ö±íÖеÄÊý¾Ý¡£CREATE VIEW ±ØÐëÊDzéѯÅú´¦ÀíÖеĵÚÒ»ÌõÓï¾ä¡£
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CREATE VIEW [ schema_name . ] view_name [ (column [ ,...n ] ) ]
[ WITH <view_attribute> [ ,...n ] ]
AS s ......

SQL UnionÓ÷¨×ܽá

UNION ÔËËã·û½«¶à¸ö SELECT Óï¾äµÄ½á¹û×éºÏ³ÉÒ»¸ö½á¹û¼¯¡£ £¨£±£©Ê¹Óà UNION ÐëÂú×ãÒÔÏÂÌõ¼þ£º £Á£ºËùÓвéѯÖбØÐë¾ßÓÐÏàͬµÄ½á¹¹£¨¼´²éѯÖеĵÄÁÐÊýºÍÁеÄ˳Ðò±ØÐëÏàͬ£©¡£ £Â£º¶ÔÓ¦ÁеÄÊý¾ÝÀàÐÍ¿ÉÒÔ²»Í¬µ«ÊDZØÐë¼æÈÝ£¨ËùνµÄ¼æÈÝÊÇÖ¸Á½ÖÖÀàÐÍÖ®¼ä¿ÉÒÔ½øÐÐÒþʽת»»£¬²»ÄܽøÐÐÒþʽת»»Ôò±¨´í£©¡£Ò²¿ÉÒÔÓÃÏÔʽת»»ÎªÏàͬµ ......

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ÏÂÔØµØÖ·£º http://download.csdn.net/source/1805903
  private string ReArrange(string str)
{
string[] keywords = new string[] {"select","from","where","and","order\\s+by","or","into",
"update","set","delete","haveing" ......
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