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

sqlÌâÖеÄÖÖÖÖ

ÔÚ×ösqlÌâʱ£¬ÎÒÃÇ×îÅÂÓöµ½Ìõ¼þ¸´ÔӵIJéѯÓï¾ä£¬ÒòΪ´ó¶àʱºòÐèÒªÁ½Èý¸ö×Ó²éѯÀ´ÊµÏÖ£¬
¶ø´ó¶àÊýͬѧ£¬¿ÉÒÔ˵¶¼±È½ÏÅÂ×Ó²éѯµÄ£¬ÒÔǰÎÒÒ²±»ÕâЩÌâĿŪµÄÔÆÀïÎíÀïµÄ£¬
²»¹ý×ö¶àÁËÕâÀàµÄÌâÄ¿ºó·¢ÏÖ£¬ÆäʵҲÓÐÒ»¶¨¹æÂÉ£¬ÎÒÃÇ¿ÉÒÔ×ܽáÒ»Ì×ÊʺÏ×Ô¼ºµÄ·½·¨À´´¦Àí£¬
ÏÂÃæÊ±ÎÒ¶Ô¸ÃÀàÌâÄ¿µÄ´¦Àí·½·¨£º
ÓйºÎï±íÈçÏ£º
ÌâÄ¿£º ²éѯ¹ºÎïÉÌÆ·ÀàÐͲ»Ö»Ò»ÖֵĹºÎïÕßµÄÐÅÏ¢¡£
 
ÎÒ½«ÌâÄ¿²ð·ÖÈçÏ£º
Ôò¿ÉµÃ³öÁ½Ìõ²éѯÓï¾ä£º
<1>select * from ¹ºÎïÐÅÏ¢±í where ¹ºÎïÕß in……
<2>select ¹ºÎïÕß from ¹ºÎïÐÅÏ¢±í group by ¹ºÎïÕß having count(*)>=2
 
½«Óï¾ä<2>¼Óµ½Óï¾ä<1>ºó¼´¿ÉµÃ³öÒ»ÖÖÕýÈ·´ð°¸¡£
 
½«Óï¾ä´ÓÍâÏòÀïÆÊÎö£¬Äóö¼òµ¥µÄ²éѯÓï¾ä£¬È»ºóÔÙ×éºÏ¡£
µ±È»ÎÒÕâÀïµÄÌâÄ¿£¬ÊÇÎÒÁÙʱÏëµÄ¿ÉÄÜ»¹±È½Ï¼òµ¥£¬ÎÒÓмû¹ýÕâÑùµÄÓï¾ä
²éѯ……µÄ……µÄ……µÄ……µÄ……¡£¿ÉÒÔ˵¿ÉÄÜÓÐÁ½Èý¸ö»ò¸ü¶àµÄ×Ó²éѯ£¬ÄǾÍÐèÒªÓÐÒ»¸öºÃµÄ·½·¨ÁË¡£


Ïà¹ØÎĵµ£º

ÓÃASPʵÏÖSQL SERVERÊý¾Ý¿âµÄÔ¶³Ì¸üÐÂ

ÓÃASPʵÏÖSQL SERVERÊý¾Ý¿âµÄÔ¶³Ì¸üÐÂ
½­ËÕʡͨÖÝÖ°Òµ¸ß¼¶ÖÐѧ  Áõ¼Æºâ
΢ÈíµÄSQL Server ÊÇÒ»¸ö´óÐ͵ĹØÏµÊý¾Ý¿âϵͳ£¬ËüΪÔÚ¸´ÔÓ»·¾³ÏÂÓÐЧµØÊµÏÖÖØÒªÉÌÒµÓ¦ÓÃÌṩÁËÒ»¸öÇ¿ÓÐÁ¦µÄ¿Í»§/·þÎñÆ÷ƽ̨¡£Ëü½áºÏMicrosoft Windows NT²Ù×÷ϵͳµÄÄÜÁ¦£¬ÌṩÁËÒ»¸ö°²È«¡¢¿ÉÀ©Õ¹¡¢Ò×¹ÜÀí¡¢¸ß¶ËÐÔÄܵĿͻ§/·þÎñÆ÷Êý¾Ý¿âƽ̨¡£Õ ......

Ô¶³Ì±¸·ÝSQL Server 2005Êý¾Ý¿â

 ½ñÌìÖÕÓÚ°ÑÕâ¸öÎÊÌâ¸ø½â¾öÁË£º
²Î¿¼ÎÄÕ£ºhttp://blog.csdn.net/long2006sky/archive/2007/04/23/1576583.aspx
ʵÀý˵Ã÷£º
           »·¾³£ºwin2k+sqlserver 2K+²éѯ·ÖÎöÆ÷
           SQLSERVER·þÎñʵÀý ......

sql±àÒëÓëÖØ±àÒë

sql±àÒëÓëÖØ±àÒë
 
1.sp_recompile
ʹ´æ´¢¹ý³ÌºÍ´¥·¢Æ÷ÔÚÏ´ÎÔËÐÐÊ±ÖØÐ±àÒë¡£
2.sp_refreshview
Èç¹ûÊÓͼËùÒÀÀµµÄ»ù´¡¶ÔÏó·¢Éú¸ü¸Ä(Èç:±íÔö¼ÓÁËÒ»¸ö×Ö¶Î)£¬ÔòÊÓͼ²»»á×Ô¶¯¸üУ¬ÕâʱÐèÒªµ÷Óøô洢¹ý³ÌÀ´¶ÔÊÓͼ½øÐÐˢС£ÓÐÈË˵£¬ÖØÐ´ò¿ªÒ»ÏÂÊÓͼ¾Í¿ÉÒÔ¸üÐÂÊÓͼ£¬µ«ÎÒÊÔÁËûÓгɹ¦¡£
Àý1£ºË¢ÐÂÖ¸¶¨Ãû³ÆµÄÊÓͼ ......

ÓÃsqlдС¼ÆºÍºÏ¼Æ

select case when b.name is null and c.name is null then 'ºÏ¼Æ' when b.name is null and c.name is not null then 'С¼Æ' else b.name end as mtrname,
sum(a.number),c.name as cname from x_sell a join x_material b on a.mtr=b.fid join p_organi c on c.fid=a.customer
where a.stime>'2009-10-01'
GROUP B ......

sql 2005 ´æ´¢¹ý³Ì·ÖÒ³ java ´úÂë

 create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',         
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ