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

²é¿´SQL ServerÈÕÖ¾µÄ·½·¨

ת×Ôhttp://blog.csdn.net/ziren235/archive/2007/07/03/1676347.aspx
ÔÚSQL Server2000ÖУ¬Ò»¸öÊý¾Ý¿âµÄÈÕÖ¾ÊÇÒÔ*.ldf Îļþ´æ·Å,ÇëÎÊÎÒÏë²é¿´Ä³Ò»¸öÊý¾Ý¿âµÄÈÕÖ¾,¸ÃÈçºÎ²Ù×÷.
·½·¨1¡¢
DBCC LOG('DatabaseName',2)
·½·¨2:
select * from ::fn_dblog(default,default)
·½·¨3
ÓÃLog Explorer


Ïà¹ØÎĵµ£º

SQL Server2005 µ¼ÈëÊý¾Ý³ö´í

´íÎóÌáʾ£º
Ö¸¶¨µÄÁ¬½ÓÀàÐÍ“OLEDB”δ±»Ê¶±ðΪÓÐЧµÄÁ¬½Ó¹ÜÀíÆ÷ÀàÐÍ¡£µ±ÊÔͼ´´½¨Î´ÖªÁ¬½ÓÀàÐ͵ÄÁ¬½Ó¹ÜÀíÆ÷ʱ»á·µ»Ø´Ë´íÎó¡£Çë¼ì²éÁ¬½ÓÀàÐÍÃû³ÆµÄƴдÊÇ·ñÕýÈ·¡£
½â¾ö·½·¨£º
sqlserver2005-ÅäÖù¤¾ß-SqlServer configuration manager-SqlServer2005·þÎñ-sqlserver Integration Services£¬ÓÒ»÷-Ñ¡ÔñÊôÐÔ£¬È»ºó° ......

sqlС±Ê¼Ç£¨5.26£©

sql server 2005 ¼òµ¥ÔËÓú¯Êý
1.null º¯Êý
  Ó÷¨ÓëoracleÖÐnvl()ÀàËÆ£¬´¦Àíº¯ÊýΪisnull()£¬
  ÀýÈ磺
    select ename,sal+isnull(comm,0)
    from emp
    go
  isnull(comm,0)µÄÓ÷¨ÊÇ£º commΪnull Ôò·µ»Ø0 ·ñÔòΪ commµÄÖµ¡£
2.V ......

SQL ServerÈçºÎ±¸·ÝÔ¶³ÌÊý¾Ý¿âµ½±¾µØ

     Èç¹ûûÓÐÔ¶³ÌÊý¾Ý¿âËùÔÚ·þÎñÆ÷µÄwindowsÕ˺ÅÃÜÂ룬½öÓÐÔ¶³ÌSQL ServerÊý¾Ý¿âµÄÓû§ÃÜÂ룬¸ÃÈçºÎ±¸·ÝÔ¶³ÌÊý¾Ý¿âdb1µÄÊý¾Ýµ½±¾µØÄØ£¿
1£ºÔÚ±¾µØ°²×°Í¨°æ±¾µÄÊý¾Ý¿âÈí¼þ£¨±ÈÈ磺SQL Server2000£©
2£ºÔÚ±¾µØÊý¾Ý¿â·þÎñÆ÷ÉÏ´´½¨Êý¾Ý¿âdb2£»
3£ºÊ¹Óñ¾µØ“ÆóÒµ¹ÜÀíÆ÷”×¢²áÔ¶³ÌÊý¾Ý¿â£¬²¢½ ......

ÓÃSQLÓï¾äÆ´½ÓÊý¾Ý¿â±íÖÐÒ»ÁеÄÊý¾Ý

×î½üÔÚÒ»¸öÏîÄ¿ÖÐÓöµ½ÐèÒªÔÚÊý¾Ý²ã¾ÍÆ´½Ó±íÖÐÒ»ÁÐÊý¾ÝµÄÎÊÌâ¡£
ÀýÈ磬test±íÖÐÓиö×Ö¶Ît,tÁÐÖеÄ4ÐÐÊý¾ÝΪ1,2,3,4 £¬ÒªÆ´½Ó³É1+2+3+4£¬×ÁÄ¥ÁËÒ»Õ󣬱¾À´ÏëÓÃÓα꣬µ«ÊÇЧÂÊ¡£¡£ºóÀ´ÕÒµ½Ò»¶ÎSQL£¬¿ÉÒԺܷ½±ãµØÆ´½Ó¡£
DECLARE @STR VARCHAR(8000) ----¶¨Òå²éѯ×Ö·û´®
SELECT @STR=ISNULL(@STR+'+','')+t from (SELECT DIST ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ