Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

fastreport´òÓ¡´úÂë¼°SQLºÏ²¢×ֶεÄÓï¾ä

 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


Ïà¹ØÎĵµ£º

Êý¾Ý¿âSQLÓï¾äʹÓã¨Ò»£©

  Êý¾Ý¿âsqlÓï¾äϵÁж¼ÊÇÒÔÏÂÃæµÄ±íΪ»ù´¡µÄ
1.       д³ö²½Öè4Öеĸ÷Ïî²Ù×÷µÄSQLÓï¾ä¡£
¢Ù ¸øѧÉú±íÔö¼ÓÒ»ÊôÐÔNation£¨Ãñ×壩£¬Êý¾ÝÀàÐÍΪVarchar£¨20£©£»
alter table Student add Nation varchar(20);
 
¢Ú ɾ³ýѧÉú±íÖÐÐÂÔöµÄÊôÐÔNation£»
alter table Student DR ......

sql server2005 jdbc½â¾ö×Ô¶¯Ôö³¤ÁÐͳһ´¦ÀíÎÊÌâ

±³¾°£ºÏµÍ³ÒªÖ§³Ö¶àÖÖÊý¾Ý¿â£¬Í³Ò»insertµÄʱºò»ñÈ¡×Ô¶¯Ôö³¤ÁеĴ¦Àí·½Ê½
ÎÊÌâ1£ºinsert select·½°¸
sqlserver2000Äܹ»Ê¹ÓÃinsertSql SELECT @@IDENTITY AS 'Identity'µÄ·½Ê½À´»ñµÃ£¬µ«ÊÇmysqlÔòÖ»ÄÜʹÓÃexecuteUpdate(insertSql);
executeQuery('SELECT last_insert_id() ')ÕâÑùµÄ·½Ê½£¬·ñÔò»áÅ׳öÒì³££ºjava.sql.SQ ......

SQLÊý¾Ý¿âÉè¼Æ¼¼ÇÉdz̸

Êý¾Ý¿âÉè¼Æ¾­Ñé̸
 
Ò»¸ö³É¹¦µÄ¹ÜÀíϵͳ£¬ÊÇÓÉ£º[50% µÄÒµÎñ + 50% µÄÈí¼þ] Ëù×é³É£¬¶ø 50% µÄ³É¹¦Èí¼þÓÖÓÐ [25% µÄÊý¾Ý¿â + 25% µÄ³ÌÐò] Ëù×é³É£¬Êý¾Ý¿âÉè¼ÆµÄºÃ»µÊÇÒ»¸ö¹Ø¼ü¡£Èç¹û°ÑÆóÒµµÄÊý¾Ý±È×öÉúÃüËù±ØÐèµÄѪҺ£¬ÄÇôÊý¾Ý¿âµÄÉè¼Æ¾ÍÊÇÓ¦ÓÃÖÐ×îÖØÒªµÄÒ»²¿·Ö¡£ÓйØÊý¾Ý¿âÉè¼ÆµÄ²ÄÁϺ¹Å£³ä¶°£¬´óѧѧλ¿Î³ÌÀïÒ²ÓÐ ......

жÔØSQL Server 2005

 ÔÚжÔØVisual Studio 2008 ʱ£¬Ìí¼Ó/ɾ³ý³ÌÐò ÀïÃæÓÐÐí¶àµÄ°²×°Îļþ£¬´ËʱÈç¹ûûÓÐÏÈжÔØSQL Server 2005 £¬
¶øÏÈжÔØ.Net Framework£¨Ìáʾ£ºÐ¶ÔØ.net FrameworkµÄµÃ°²°æ±¾´Ó¸ßµ½µÍµÄ˳Ðò£©£¬
ÕâʱSQL Server 2005¾Í²»ÄÜжÔØ,ɾ³ýProgram files ÏÂÃæµÄ Microsoft SQL Server Îļþ¼ÐҲûÓÐ×÷Óá£
ÖØа²×°ÌáʾÊý¾Ý¿ ......

sybaseÊý¾Ý¿âÖÐË÷Òýµ¼ÖÂsqlÓï¾äÖ´Ðв»³É¹¦

SELECT DISTINCT A.CASEPROP AS PROP,'¾É´æ' AS AJLX,0 AS AJLXXH,A.CASE_PROP AS PROPNO 
 ,M1=( SELECT COUNT(*) from CASES WHERE CASEPROP=A.CASEPROP AND
(PERMITDAY <'2008.12.26 00:00:00' AND (SHUTDAY IS NULL OR
SHUTDAY<'1900-01-01 00:00:00' OR SHUTDAY>='2008.12.26 00:00:00') )) ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ