E
evanou
Unregistered / Unconfirmed
GUEST, unregistred user!
由于字段code值相同的记录都有2条以上,该如何才能选择datex最新的那一条记录呢?<br>表的内容如下:<br>code price_u sheetno datex <br>FBB4001 0.15 605000517 2006-5-4 11:03<br>FBB4001 0.13 604001640 2006-4-11 15:28<br>FBB5001 0.18 701002061 2007-1-17 14:23<br>FBB5001 0.17 701001178 2007-1-10 10:10<br>FBB5002 0.20 701004121 2007-1-3 18:30<br>FBB5002 0.18 409003465 2004-9-28 9:23<br>FBB6003 0.18 701001178 2007-1-10 10:10<br>FBB6003 0.20 701002061 2006-1-17 14:23