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downÊÇÒ»¸ö±í,·Ö±ðÓÐ×Ö¶Îdown_id,down_url,down_text
testdownÊÇÁíÒ»¸ö±í,·Ö±ðÓÐ×Ö¶Îdown_id,test_down_url
sql="select * from down order by down_count desc"
set rs=server.CreateObject("adodb.recordset")
rs.open sql,conn,1,1
ÎÒÏÖÔÚÒª²éѯÁíÒ»¸ö±ítestdownµÄ×Ö¶Îtest_down_urlµÄÄÚÈÝ,µ±down_idÓëµÚÒ»¸ö±ídownµÄ×Ö¶Îdown_idÏàͬµÄʱºò
sql1="select * from testdown where down_id="&rs("down_id")
set rs1=server.CreateObject("adodb.recordset")
rs1.open sql1,conn,1,1
µÚ¶þ²éѯ¾ÍʵÏÖÁËÕâ¸öĿ¼,ÔÚÁíÒ»¸ö±íÖвéѯÓëµÚÒ»¸ö±íÖÐÏàͬ×Ö¶ÎÖµµÄÒ»¸öÖµ
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ÀàËÆ·½·¨ÈçÏ£¬ÓÃinner joinÁ¬½Ó
select * from A inner join B on A.id=B.id where A.id=1
Delphi(Pascal) code:
qry1.Close;
qry1.SQL.Text:='select * from down order by down_count desc';
qry1.Open;
down_id:=qry1.fieldByName('down_id').asstring;//Õâ¸öÖµ²»ÖªµÀÄãÊÇʲôʱºòÈ¡µÄ
qry2.Close;
qry2.SQL.Text:='select * from testdown where down_id='+down_id;
qry2.Open;
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