1。Oracle中: select org_id from organizations start with org_id= :org_id connect by prior org_id=supervision_org_id order by supervision_org_id
2。Sql Functiong:
FunctionNo SubFunctionNo SubFunctionType 01. systemadmin Privilege 0 01. systemadmin subsysadmin 1(表示樹枝) subsysadmin subsys1 0(表示leaf) subsysadmin subsys2 0 subsysadmin User 1 User UserOne 0 請教實現此層次結構輸出的函數(在oracle中可以使用connect by實現此功能) 先謝了. 3。sql语句实现: 举例: declare @a table (TC_Id int,TC_PID int,TC_Name varchar(200)) insert @a values(1,0,'中国') insert @a values(2,0,'美国') insert @a values(3,0,'加拿大') insert @a values(4,1,'北京') insert @a values(5,1,'上海') insert @a values(6,1,'江苏') insert @a values(7,6,'苏州') insert @a values(8,7,'常熟') insert @a values(9,6,'南京') insert @a values(10,6,'无锡') insert @a values(11,2,'纽约') insert @a values(12,2,'旧金山') declare @tmp1 table (TC_Id int,TC_PID int,TC_Name varchar(200),lev int) insert @tmp1 select *,1 from @a where tc_ID=1 while exists(select 1 from @a a,@tmp1 b where a.tc_pid=b.tc_ID and a.tc_ID not in (select tc_ID from @tmp1)) insert @tmp1 select a.*,1 from @a a,@tmp1 b where a.tc_pid=b.tc_ID and a.tc_ID not in (select tc_ID from @tmp1) select * from @tmp1
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