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 procedure Tform1.Button5Click(Sender: TObject);
var
  p:pointer;
  FrfStr:string;
begin
  inherited;
  Screen.Cursor:=MYCURSORWAITHAND;
  with cdsPrint do
  begin
    Active:=false;
    //Õâ¸öSQLÓÃÓÚ½«remarkÖеļǼºÏ²¢µ½Ò»Æð!
    CommandText:='select a.ITEM_ID, a.ITEM_NAME,count(a.Coll_ID) as num,ltrim(max(sys_connect_by_path(a.remark, '';'')), '';'') remark '
      +' from (select /*+index(b,TAB_ORDER_I)*/ b.ITEM_ID,b.Coll_ID,b.ITEM_NAME,b.remark,row_number() over(partition by b.ITEM_ID order by b.ITEM_ID)'
      +' ITEM_ID1,row_number() over(order by b.ITEM_ID) + dense_rank() over(order by b.ITEM_ID) ITEM_ID2 '
      +' from TAB_ORDER b  where  b.Coll_ID ='''+DBComboBoxEh1.Text+''''
      +'  ) a'
      +' start with ITEM_ID1 = 1 connect by prior ITEM_ID2 = ITEM_ID2-1 group by a.ITEM_ID,'
      +' a.ITEM_NAME order by a.ITEM_ID ';
    Active:=true ;
  end;
  cds_Print.DisableControls;
  p:=cdsPrint.GetBookmark;
  FrfStr:='report1l.frf';
  try
    if cdsPrint.Active and (cdsPrint.RecordCount<>0) then
    begin
      frReport1.LoadfromFile(ExtractFilePath(ParamStr(0))+'Report\'+FrfStr);
      PrintSet;
      frReport1.ShowReport;
    end
    else
    begin
      Screen.Cursor:=crDefault;
      Application.MessageBox(pchar(STR_MESSAGEBOX_HEADER+'ûÓÐÊý¾Ý¿É´òÓ¡'),pchar(self.Caption),MB_OK or MB_ICONEXCLAMATION);
    end;
  finally
    cdsPrint.GotoBookmark(p);
    cdsPrint.EnableControls;
 &nb


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sql 2005 ´æ´¢¹ý³Ì·ÖÒ³ java ´úÂë

 create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',         
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ ......

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 select datediff(month,'2009-11-02','2009-12-01')
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SQL code
declare @t table(a datetime,b datetime);
insert @t
select '2009-11-02','2009-12-01' UNION ......

SQL SERVER Ò×»ìÏýµÄÊý¾ÝÀàÐÍ

 (1)char¡¢varchar¡¢textºÍnchar¡¢nvarchar¡¢ntext
charºÍvarcharµÄ³¤¶È¶¼ÔÚ1µ½8000Ö®¼ä£¬ËüÃǵÄÇø±ðÔÚÓÚcharÊǶ¨³¤×Ö·ûÊý¾Ý£¬¶øvarcharÊDZ䳤×Ö·ûÊý¾Ý¡£Ëùν¶¨³¤¾ÍÊdz¤¶È¹Ì¶¨ µÄ£¬µ±ÊäÈëµÄÊý¾Ý³¤¶ÈûÓдﵽָ¶¨µÄ³¤¶Èʱ½«×Ô¶¯ÒÔÓ¢ÎĿոñÔÚÆäºóÃæÌî³ä£¬Ê¹³¤¶È´ïµ½ÏàÓ¦µÄ³¤¶È£»¶ø±ä³¤×Ö·ûÊý¾ÝÔò²»»áÒÔ¿Õ¸ñÌî³ä¡£ text´ ......

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 Ô­ÎÄ´«ËÍÃÅ£ºhttp://topic.csdn.net/u/20091010/14/FC7737C1-D60B-43F1-A8B5-A9EEF2DE4426.html
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1.±ístuinfo
sid sname subs
1  jack  |1|2|
2  marry |1|4|
3  tom  |3|
2.±ísubinfo
subid  subname
1      physics
2  &n ......

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1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREATE DATABASE database-name
2¡¢ËµÃ÷£ºÉ¾³ýÊý¾Ý¿â
drop database dbname
3¡¢ËµÃ÷£º±¸·Ýsql server
--- ´´½¨ ±¸·ÝÊý¾ÝµÄ device
USE master
EXEC sp_addumpdevice 'disk', 'testBack', 'c:\mssql7backup\MyNwind_1.dat'
--- ¿ªÊ¼ ±¸·Ý
BACKUP DATABASE pubs TO testBack ......
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