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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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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 ......
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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 ......
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 ......