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

ÇóÖú£ºSQL Server²éѯ - .NET¼¼Êõ / C#

Á½¸ö±í£¬Ò»¸ö»áÔ±±í£¬Ò»¸öÏû·Ñ¼Ç¼±í¡£ÐèÒª²éµÄÊÇ×î½üÏû·ÑµÄ»áÔ±£¬È»ºó»áÔ±±íͨ¹ýÏû·Ñʱ¼äµ¹ÐòÅÅÐò¡£ÇóÖú´ó¼ÒÔõô×ö¡£ÎÒ´òËãÏÈ·Ö×飬ͳ¼Æ¿¨»áÔ±µÄ¸öÊý£¬È»ºóÔÚͨ¹ýÏû·Ñ±íÖеÄÏû·Ñʱ¼äÌõ¼þÅÅÐò£¬µ«ÕâÑùÅÅÐòÍêÈ«²»ÐС£ÇóÖú´ó¼Ò¸ÃÈçºÎ½â¾ö£¬Ð»Ð»£¡
Á½¸ö±í£¬Ò»¸ö»áÔ±±í£¬Ò»¸öÏû·Ñ¼Ç¼±í¡£ÐèÒª²éµÄÊÇ×î½üÏû·ÑµÄ»áÔ±£¬È»ºó»áÔ±±íͨ¹ýÏû·Ñʱ¼äµ¹ÐòÅÅÐò¡£
(1)ÏȰÑÁ½¸ö±íÁªÏµÆðÀ´
select * from »áÔ±±í inner join Ïû·Ñ¼Ç¼±í on »áÔ±±í.×Ö¶Î1=Ïû·Ñ¼Ç¼±í.×Ö¶Î1
È»ºó¸ù¾ÝÏû·ÑÕßʱ¼ä
select * from (select * from »áÔ±±í inner join Ïû·Ñ¼Ç¼±í on »áÔ±±í.×Ö¶Î1=Ïû·Ñ¼Ç¼±í.×Ö¶Î1) as ±í2 order by Ïû·Ñ¼Ç¼±í.ʱ¼ä×Ö¶Î desc


LZÊÔÏÂ
ÊDz»ÊÇÄãÏëÒªµÄ½á¹û
 

¶ÔÂ¥ÉϵIJ¹³ä ¿ÉÒÔ°Ñ*¸Ä³ÉÄãÐèÒªµÄÕâÑùЧÂʸßÒ»µã£¬²»È»±íÁ¬½ÓµÄµÑ¿¨¶û»ýÔËË㣬Êý¾Ý¶àÒ»µãЧÂʺܵÍ

LZû˵ÄÇÏêϸ¡­¡­


²»ºÃÒâ˼£¬ÎÒ˵Ïêϸµã°É¡£
»áÔ±±íMemberÖ÷ÒªÒÔMemberIdΪÖ÷£¬Ïû·Ñ¼Ç¼±íCashLogÖ÷Òª°üÀ¨×ֶΣ¬MemberId¡¢Time¡£MemberIdΪÖ÷Òª¶ÔÏó£¬TimeΪÅÅÐòµÄÌõ¼þ¡£

ÒýÓÃ
LZÊÔÏÂ
ÊDz»ÊÇÄãÏëÒªµÄ½á¹û


¸ÕÊÔÁËÏ£¬»¹ÊDz»ÐС£

½¨Òé°Ñ±í½á¹¹·¢Ò»·Ý

ÈÕ£¬²»Ðо͸ıí½á¹¹£¬±ðÄÇôËÀ°å¡£

upÏÂ Ã²ËÆ²»Ö±¹Û ²»ÊǺÜÃ÷°× ²»Äܰѱí¸ÄÏÂÂð

SQL code:

SELECT memberID,memberName from member WHERE memberID IN (

SELECT memberID from cashlog GROUB BY memberID ORDER BY time
)




Òý


Ïà¹ØÎÊ´ð£º

csvÎļþת»»³Ésqlµ¼Èëµ½Êý¾Ý¿â£¬Ã»ÓÐÊý¾ÝΪºÎ£¿

Ö´ÐеÄ˳Ðò£º
1£©Îļþä¯ÀÀ¿ò£¨Ñ¡ÔñÎļþʹÓã©
Ñ¡ÔñºÃÎļþºó
µã»÷Ò»¸öµ¼Èë°´Å¥µÄʱºò £¬°ÑÉÏÃæÉÏ´«¿òÀïµÄcsvÎļþÒÔÒ»¸öIDΪÎļþÃû£¬ÉÏ´«µ½**/**Îļþ¼ÐÏÂ
2£©¶ÁÈ¡Õâ¸öÎļþ¼ÐϵÄcsvµÄÎļþ£¬×ª»»³Ésql
3 ......

sql ÎÊÌâ - MS-SQL Server / »ù´¡Àà

ÐèÇóÈçÏ£º
ѧԺ academy£¨aid,aname£©
°à¼¶ class£¨cid,cname,aid£©
ѧÉú stu(sid,sname,aid,cid)
סËÞÇø region(rid,rname)
ËÞÉáÂ¥ build(bid,rid,bnote) bnoteÊÇ¡®ÄС¯/¡®Å®¡¯
ËÞÉá dorm(did,rid,bid£¬bedn ......

¹ØÓÚSQLÓï¾äORµÄÎÊÌâ - Oracle / ¸ß¼¶¼¼Êõ

ͨ¹ýNAME×Ö¶ÎÌõ¼þ²éѯһ¸öÊý¾Ý±í£¬¼ÙÉèÎÒÓÐ100¸öÐÕÃû£¬ÓÐÒÔÏÂÁ½¸ö·½·¨£¬
·½·¨1£º
°Ñ100¸öName ×é³ÉÒ»¸öSQLÓï¾ä£¬±ÈÈç Select * from tmp_table where Name='ÕÅÈý' or Name ='ÀîËÄ' Or ...Or Name='µÚÒ»°Ù¸öÐÕÃû'
......

ASPÒ³ÃæÎÞ·¨´ò¿ªÇóÖú£¡ - MS-SQL Server / »ù´¡Àà

¸÷λºÃ£¬ÎÒ¸Õ°ÑÒ»¸öASPÍøÕ¾ÉèÖúÃÁË£¬Ò²ÄÜÕý³£·ÃÎÊ¡£µ«ÊÇÔÚÎÒ±¾»úÉϲ»ÄÜ´ò¿ªadmin\login.asp,ËùÒÔÎÞ·¨ÊµÏÖºǫ́¹ÜÀí¡££¨´íÎóÌáʾÎÞ·¨ÕÒµ½ÍøÒ³£¬´úÂë404£¬ÎҵIJÙ×÷ϵͳÊÇwin2000 server)
µ«ÊÇÆæ¹ÖµÄÊÇÔÚ¾ÖÓòÍøµÄÆäËû» ......

asp wap sqlÓï¾äÖлñÈ¡µÄºº×Ö²»ºÃÊ - Web ¿ª·¢ / ASP

SQL code:

rs.open "select * from guide where city_name='±±¾©' order by pai desc",conn,1,1
do while not rs.eof or rs.bof
¡£¡£
¡£¡£
¡£¡£
rs.movenext
loop
Õâ¸ösqlÓï¾äÔÚwapÕ¾Àï ±¾ÉíÓÐ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ