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WITH TREE(xzdm,Prexzdm,lvl,topxzdm)
AS
(
    SELECT xzdm,prexzdm,1,prexzdm as topxzdm from xzdm WHERE Prexzdm = '000000000000'
    UNION ALL
    SELECT A.xzdm,A.Prexzdm,B.lvl+1,b.topxzdm from xzdm A
    INNER JOIN
    TREE B ON A.Prexzdm = B.xzdm
)
SELECT * from TREE
 
xzdm--ÐÐÕþ´úÂë
Prexzdm--Éϼ¶ÐÐÕþ´úÂë
lvl--ÐÐÕþÇø¼¶±ð
topxzdm--¸ù½ÚµãÐÐÕþ´úÂë
 
ͨ¹ýµÝ¹é²éѯÄÜ·µ»Ø'000000000000'µØÇøÏÂϽµÄËùÓÐÐÐÕþµ¥Î»
 
xzdm±íµÄ½á¹¹Îª
xzdm--ÐÐÕþ´úÂë
Prexzdm--Éϼ¶ÐÐÕþ´úÂë
lvl--ÐÐÕþÇø¼¶±ð
 


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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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1.±ístuinfo
sid sname subs
1  jack  |1|2|
2  marry |1|4|
3  tom  |3|
2.±ísubinfo
subid  subname
1      physics
2  &n ......

sql 2005

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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»Æ ......

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SQL²åÈëÓï¾äµÃµ½×Ô¶¯Éú³ÉµÄµÝÔö ID Öµ
 insert  into  Table1(Name,des,num)  values  ('ltp','thisisbest',10);
select  @@identity  as  'Id'
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SQL  Server£ºSelect  Top  10  *  from  Tablename  Order  ......
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