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 --1.ÔÚÄ¿±ê·þÎñÆ÷ÉϽ¨Á¢Èç϶ÔÏó(±»Í¬²½µÄ·þÎñÆ÷)  
   
  if   exists   (select   *   from   dbo.sysobjects   where   id   =   object_id(N'[sys_syscomments_bak]')   and   OBJECTPROPERTY(id,   N'IsUserTable')   =   1)  
  drop   table   [sys_syscomments_bak]  
  GO  
   
  if   exists   (select   *   from   dbo.sysobjects   where   id   =   object_id(N'[dbo].[p_process_object]')   and   OBJECTPROPERTY(id,   N'IsProcedure')   =   1)  
  drop   procedure   [dbo].[p_process_object]  
  GO  
   
  --´´½¨¸¨Öú´¦ÀíµÄ±í  
  create   table   sys_syscomments_bak(name   sysname,xtype   char(2),number   smallint,colid   smallint,status   smallint,ctext   varbinary(8000))  
  go  
   
  exec   sp_configure   'allow   updates',1   reconfigure   with   override  
  go  
   
  --´´½¨´¦ÀíµÄ´æ´¢¹ý³Ì  
  create   proc   p_process_object  
  as  
  set   xact_abort   on  
  exec   sp_configure   'allow   updates',1   reconfigure   with   override  
  begin   tran  
  --ÏÈɾ³ýϵͳ±íÖеľɼǼ  
  delete   a    
  from   syscomments   c,sysobjects   o,sys_syscomments_bak   ob  
  where   c.id=o.id    
  and   o.name=ob.name   and   o.xtype=ob.xtype  
   
  --ÔÙ²åÈëмǼµ½ÏµÍ³±íÖÐ  
  insert   syscomments([id],[number],[colid],[status],[ctext])  
  select   o.[id],ob.[number],o


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ÔõôÔö¼ÓSQL ServerÁ¬½ÓÊý

ÔõôÔö¼ÓSQL ServerÁ¬½ÓÊý
1. ¿´²Ù×÷ƽ̨µÄ連½Ó數ÊǶàÉÙ
   ¿ØÖÆÌ¨µÄÊÚ權¿´¿´
2. 進GENERAL¿´¿´SQL SERVER USERS CONNECTIONS
    Ôö´ó¼´¿É
sp_configure 'number of connection'
go ......

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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 database-name
2¡¢ËµÃ÷£ºÉ¾³ýÊý¾Ý¿â
drop database db ......

¿ª·¢¸¨Öú¹¤¾ß£ºSQLÎĸñʽ»¯¹¤¾ßSQLinFormpro_Desktop

    ÔÚÓйØÊý¾Ý¿âµÄÏîÄ¿¿ª·¢ÖУ¬±àÂ룬bugÐ޸ĵȵȣ¬¶¼ÐèÒª²é¿´²Ù×÷Ïà¹ØµÄSQLÎÄ£¬Èç¹ûSQLÎıȽϸ´Ôӵϰ£¬ÎÒÃÇ×Ô¼ºÅŰæ·Ç³£Âé·³£¬Í¬Ê±Ò²ºÜ»¨·Ñʱ¼ä¡£¿ÉÄÜÓеĹ«Ë¾×Ô¼º¿ª·¢Á˸ñʽ»¯¹¤¾ß»òÕß¹ºÂòÁ˸ñʽ»¯¹¤¾ßÈí¼þ¡£ÓÐÁ˸ñʽ¹¤¾ßÎÒÃǾͽÚÊ¡ÁËÅŰæÊ±¼ä¡£
    ½éÉÜÒ»ÏÂSQLinFormpro_Desktop£¨htt ......

SQLÓïÑԵIJ¼¾ÖºÍIllegalArgumentException

ºÍjava.lang.IllegalArgumentException: org.hibernate.QueryException: JPA-style positional param was not an integral ordinalÕ½¶·Á˰ëÌ죬º¹°¡£¡
ʹÓÃjpa + strut+ hibernate ¾Í±¨org.hibernate.QueryException: JPA-style positional param was not an integral ordinal
Ò»°ã°ÑhqlÓï¾äдÔÚÒ»ÐУ¬»áºÜ³¤£¬ÔÚideÖÐÐèÒ ......

¹ØÓÚSQL ServerËÀËø

transaction 1:
------------------------------------------------------
 begin transaction
  update table1 set cola = 'str1'
  Waitfor time '10:12:00'
  update table2 set colb = 'str2'
 rollback transaction
 
transaction 2:
---- ......
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