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

sqlserver һЩȫ¾Ö±äÁ¿

sqlserver ÖÐ È«¾Ö±äÁ¿ ÊÇÒ»ÖÖÌØÊâÀàÐ͵ıäÁ¿£¬È«¾Ö±äÁ¿ÒÔ@@¿ªÍ·£¬ÊÇÓÉϵͳ¶¨ÒåµÄ¡£
@@CONNECTIONS   ·µ»Ø
SQL Server
×ÔÉÏ´ÎÆô¶¯ÒÔÀ´³¢ÊÔµÄÁ¬½ÓÊý¡£
@@CURSOR_ROWS  
È·¶¨µ±Æä±»µ÷ÓÃʱ¼ìË÷ÁËÓαê·ûºÏÌõ¼þµÄÐÐÊý¡£
@@DATEFIRST       
Õë¶Ô»á»°·µ»Ø
SET DATEFIRST
µÄµ±Ç°Öµ£¬
SET DATEFIRST
±íʾָ¶¨µÄ
ÿÖܵĵÚÒ»Ìì¡£
@@DBTS 
·µ»Øµ±Ç°Êý¾Ý¿âµÄµ±Ç°
timestamp
Êý¾ÝÀàÐ͵ÄÖµ£¬

Õâһʱ¼ä´ÁÖµÔÚÊý¾Ý¿âÖбØÐëÊÇΨһµÄ¡£
@@ERROR 
·µ»ØÖ´ÐеÄÉÏÒ»¸ö
Transact-SQL
Óï¾äµÄ´íÎóºÅ£¬
Èç¹ûǰһ¸ö
Transact-SQL
Óï¾äÖ´ÐÐûÓдíÎó£¬Ôò·µ»Ø
0
¡£
@@FETCH_STATUS
·µ»ØÕë¶ÔÁ¬½Óµ±Ç°´ò¿ªµÄÈκÎÓα귢³öµÄÉÏÒ»ÌõÓαê
FETCH
Óï¾äµÄ״̬¡£
@@IDENTITY 
·µ»ØÉϴβåÈëµÄ±êʶֵ¡£
@@LANGID
·µ»Øµ±Ç°Ê¹ÓõÄÓïÑԵı¾µØÓïÑÔ±êʶ·û
(ID)
¡£
@@LANGUAGE
·µ»Øµ±Ç°ËùÓÃÓïÑÔµÄÃû³Æ¡£
@@LOCK_TIMEOUT  
·µ»Øµ±Ç°»á»°µÄµ±Ç°Ëø¶¨³¬Ê±ÉèÖ㨺ÁÃ룩¡£
@@MAX_CONNECTIONS 
ȯ
SQL Server
ʵÀýÔÊÐíͬʱ½øÐеÄ×î´óÓû§Á¬½ÓÊý¡£
·µ»ØµÄÊýÖµ²»Ò»¶¨Êǵ±Ç°ÅäÖõÄÊýÖµ¡£
@@OPTIONS
·µ»ØÓйص±Ç°
SET
Ñ¡ÏîµÄÐÅÏ¢¡£
@@PROCID 
·µ»Ø
Transact-SQL
µ±Ç°Ä£¿éµÄ¶ÔÏó±êʶ·û
(ID)
¡£
Transact-S
Ä£¿é¿ÉÒÔÊÇ´æ´¢¹ý³Ì¡¢Óû§¶¨Ò庯Êý»ò´¥·¢Æ÷¡£
@@ROWCOUNT  
·µ»ØÊÜÉÏÒ»Óï¾äÓ°ÏìµÄÐÐÊý¡£
@@SERVERNAME 
·µ»ØÔËÐÐ
SQL Server
µÄ±¾µØ·þÎñÆ÷µÄÃû³Æ¡£
@@TRANCOUNT 
·µ»Øµ±Ç°Á¬½ÓµÄ»î¶¯ÊÂÎñÊý¡£


Ïà¹ØÎĵµ£º

JavaScriptÁ¬½ÓSqlServer²¢ÊµÏÖ·ÖÒ³(¶þ)

//×ܼǼÊý
function sumRecord()
{
var conn= Server.CreateObject("ADODB.connection");
var rs= Server.CreateObject("adodb.recordset");
conn.open("PROVIDER=SQLOLEDB;DATA SOURCE=127.0.0.1;UID=sa;PWD=123456;DATABASE=test");
var sql = "select count(*) as RecordCount from baoming";
rs.open(sql, ......

accessÓëSqlServer ֮ʱ¼äÓëÈÕÆÚ¼°ÆäËüSQLÓï¾ä±È½Ï

1¡¢Datediff£º
1.1Ëã³öÈÕÆÚ²î£º
1.access:       datediff('d',fixdate,getdate())
2.sqlserver:    datediff(day,fixdate,getdate())
ACCESSʵÀý£º    select * from table where data=datediff('d',fixdate,getdate())
sqlserverʵÀý£º select * from ......

SqlServer ±í ½âËø

--spid:ËÀËøµÄ½ø³Ì,tableName :ËÀËøµÄ±í
select request_session_id spid,OBJECT_NAME(resource_associated_entity_id)tableName from sys.dm_tran_locks
where resource_type='OBJECT'
--spid:Òª½áÊøµÄ½ø³Ìid
kill spid ......

SqlServerÃüÃû¹æ·¶

ÃüÃû¹ý³ÌÖÐÈçÓÐÏÖ´æµÄËõд£¬ÔòʹÓøÃËõд£¬ÈçÎÞ£¬Ò»Âɲ»µÃËõд£¬Àý£ºISBN
Êý¾Ý¿â£ºÓÃÒ»¸ö»òÈý¸öÒÔÏÂÓ¢Îĵ¥´Ê×é³É£¬µ¥´ÊÊ××Öĸ´óд£¬È磺DepartmentManage£»
±íÃû£ºÊ¹ÓÃÃû´ÊÐÔÖʵĵ¥´Êȫƴ±íʾ£¬¸÷µ¥´ÊÊ××Öĸ´óд£¬ ʹÓø´ÊýÐÎʽ£¬È磺Books
      Èç¹û¸Ã±íÓÃÓÚ±íÃ÷ÁíÍâÁ½±íÖÐ×ֶμäµÄ¹ØÏµ£¬Óõ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ