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DateDiff('yyyy',[³öÉúÈÕÆÚ],Date())>30  ´ËÌõ¼þÈÕÆÚ/ʱ¼ä×Ö¶Î,È瓳öÉúÈÕÆÚ”£¬Ö»ÓÐijÈ˵ijöÉúÈÕÆÚºÍ½ñÌìµÄÈÕÆÚÏà²îµÄÄêÊý´óÓÚ30µÄ¼Ç¼²ÅÄܰüº¬×Ųéѯ¼Ç¼ÖС£
    È磺SELECT *
             from test
             WHERE DateDiff('yyyy',[³öÉúÈÕÆÚ],Date())>30;
³öÉúÈÕÆÚ<DateAdd('yyyy',-40,Date()) Ö»ÓÐÖÁÉÙΪ 40 ËêµÄÄÇЩÈ˵ļǼ½«Âú×ã´ËÌõ¼þ¡£
      È磺SELECT *
            from test
            WHERE [³öÉúÈÕÆÚ]<DateAdd('yyyy',-40,Date());


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C# Access Update ×¢ÒâÊÂÏî


private const string ACCESS_UPDATE_ADMIN_PASSWORD = "UPDATE [Admins] SET admin_pass=@adminPass WHERE admin_name=@adminName";
dbInstance.SetParameters("@adminPass", _adminDObj.Admin_Password);
dbInstance.SetParameters("@adminName", _adminDObj.Admin_Name);
²ÎÊýµÄ˳Ðò±ØÐëºÍSQLµÄ˳ÐòÒ»Ö±£¬·ñÔòÎÞ·¨¸ ......

Access×Ô¶¯±àºÅ×Ö¶ÎÖØÐ¼ÆÊýÎÊÌâ

  ÔÚÉè¼ÆaccessÊý¾Ý¿âʱ£¬±íÖÐ×Ö¶ÎÊôÐÔÓÐidÏîÉèΪ×Ô¶¯±àºÅÀàÐ͵ģ¬Ìí¼ÓÐí¶à¼Ç¼ºó£¬ÔڸñíÖн«ËùÓмǼɾ³ý£¬ÔÙÐÂÔö¼Ç¼²¢²»»á´Ó1¿ªÊ¼,ÈçºÎ²Ù×÷¿ÉÒÔʹÐÂÔö¼Ç¼±àºÅÖØÐ´Ó1¼ÆÊý£¿
 
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asp AccessÊý¾Ý±¸·Ý,»¹Ô­,ѹËõÀà

 <!--#include file="config.asp" -->
<!--#include file="Fun.asp" -->
<%
'Êý¾Ý¿â¹ÜÀíÀà
class Datas
'±¸·Ý
public sub Bk()
Set fso=server.createobject("scripting.filesystemobject")
fso.CopyFile Server.MapPath(SiteDataPath),Server.MapPath(SiteDataBakPath)
......
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