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accessÊý¾Ý¿âÁ¬½Ó - Web ¿ª·¢ / ASP

ÎÒÁ¬½ÓaccessÊý¾Ý¿â£¬ÒÔǰһֱºÜºÃ£¬×î½üÈ´×ÜÊdzö´í£¨Êý¾Ý¿âÁ¬½Ó³ö´í!£¡£©£¬´úÂëÈçÏ£º

connstr="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath(""&db&"")

conn.open connstr
if err then 
err.clear
set conn=nothing
response.write "Êý¾Ý¿âÁ¬½Ó³ö´í!£¡"
Response.End
end if

 err ºÎʱÊÇtrueѽ
Äã°ÑÕâ¸öifÓï¾ä×¢Ê͵ô ¿´¿´´íÎóÐÅÏ¢

conn¶ÔÏó´´½¨ÁËô.
Ó¦¸ÃÔÚÇ°ÃæÐ´,On Error Resume Next,²»È»²»ÖªµÀ´ÓÄÄÀ↑ʼµÄ,ÔÚÕâ¸ö·¶Î§Ö®ÄÚÒ»°ãÀ´ÈκδíÎóerr¶¼»áÎªÕæ.

²»ÖªµÀÊý¾Ý¿âÁ¬½Ó´íÔÚÄÄÀï,ÏȰÑÕâ¶ÎÈ¥µô,¿´¿´±¨Ê²Ã´´í,ÔÙÌù³öÀ´¸øÄã¿´¿´

VB code:
if err<>0 then '0£ºÕý³£
err.clear
set conn=nothing
response.write "Êý¾Ý¿âÁ¬½Ó³ö´í!£¡"
Response.End
end if


if err<>0 then  
¸ÄÕý£º
Err.number<>0

VB code:
<%
dim startime,Conn,rs,rs1,rs2
startime=timer()
on error resume next '³¢ÊÔÁ¬Êý¾Ý¿â£¬Ò»Ö±µ½³¬Ê±
set Conn=server.CreateObject("ADODB.Connection")
Conn.connectionstring="Provider=Microsoft.Jet.OLEDB.4.0;Data Source="&server.MapPath("¡°&db&¡±")
Conn.open()
%>



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²éѯACCESSÖзûºÏÌõ¼þ¼Ç¼µÄÓï·¨¸ñʽ

ÎÒ×öÁËÒ»¸öС³ÌÐò£¬ÏëʵÏֵŦÄܾÍÊÇÔÚÎı¾¿òÖÐÊäÈëÐÕÃû£¬µã»÷²éѯ°´Å¥£¬¾ÍÄܲ鵽ACCESSÊý¾Ý¿âÖдËѧÉúµÄÐÅÏ¢£¨±àºÅ£¬ÐÕÃû£¬ÐÔ±ð£¬ÄêÁ䣩¿ÉÎÒ²»ÖªµÀÓï·¨¸ñʽ£¬ÎÒ×Ô¼ºÐ´µÄÓï¾äµ÷ÊÔÄÜͨ¹ý£¬¿ÉÊÇÔËÐÐʱ³ö´í£¨µã»÷²éѯ°´ ......

C#´«µÝ²ÎÊýµ½ACCESSÖеIJéѯ - .NET¼¼Êõ / C#

ACCESSÖвéѯÈçÏ£º
  PARAMETERS letter Text ( 255 );
  SELECT ¡­¡­¡­¡­ from table1 WHERE letter = letter
ÎÒ¿´µ½¹ý´«µÝÁ½¸ö²ÎÊý£¨Ê±¼ä£©µÄÀý×Ó¡£ÒòΪСµÜÊǰ®ºÃ£¬²»ÊÇרҵ³ÌÐòÔ±£¬ËùÒÔ²»ÖªµÀÔõ ......

ACCESSÈ¥³ýÖØ¸´Öµ - ÆäËûÊý¾Ý¿â¿ª·¢ / Access

oracle ´úÂ룺
select * from (select * row_number() over ( partition by ÁªÏµºÅÂë order by ÒµÎñºÅÂë ) rn from ºÅÂë²éѯ) where rn<2
Ч¹ûÊÇ£º½« ijһָ¶¨×ֶΠɾ³ýÖØ¸´µÄºÅÂ룬²¢±£Áô¸ÃºÅÂëÏà¹ØµÄÆäËûÐ ......

accessº¯ÊýºÍopenº¯ÊýµÄÇø±ð - C/C++ / CÓïÑÔ

accessº¯ÊýºÍopenº¯ÊýµÄÇø±ð
  60 if(access(path,R_OK)==0)
  61 printf("access read success \n");
  62 else
  63 printf("access read er ......
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