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MS SQL µÝ¹éº¯Êý


/*
select *,dbo.getDeptTree(id) as DeptTree from sysdept
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*/
CREATE  function getDeptTree(@NodeId int)
returns varchar(8000)
as
begin
    declare @ret varchar(8000),@ParentId int,@len int
    set @len = 0
    set @ret = ''
    select @ret=deptname+@ret,@ParentId=subid from sysdept where id=@NodeId
    while @@rowcount<>0
    begin
        set @NodeId=@ParentId
        -- set @ret = replace(@ret,'©¤','  ')
        select @ret='|©¤'+@ret,@ParentId=subid from sysdept where id=@NodeId
    end
    return @ret
end


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2.ÔÚ·¢²¼·þÎñÆ÷ÉÏ,н¨Ò»¸ö¹²ÏíĿ¼ ......

ORACLE PL/SQL ´æ´¢¹ý³Ì½Ì³Ì


(1)SEQNAME.NEXTVALÀïÃæµÄÖµÈçºÎ¶Á³öÀ´£¿¿ÉÒÔÖ±½ÓÔÚinsert into test values(SEQNAME.NEXTVAL) ÊÇ¿ÉÒÔÓà  ÕâÑù£º     
SELECT tmp#_seq.NEXTVAL
        INTO id_temp
        from DUAL;  È»ºó¿ÉÒ ......

sql update Ó÷¨

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 create table a
(
 fid int,
 call varchar(20),
 age int
)
create table b
(
 fid int,
 caller varchar(20),
 parentId int
)
select * from a
select * from b
insert into a values(1,null,19)
insert into a values(2,n ......

C# SQLÊý¾Ý¿â²Ù×÷ͨÓÃÀà


C# SQLÊý¾Ý¿â²Ù×÷ͨÓÃÀà
using System;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Collections;
namespace Framework.DataBase
{
///
/// ͨÓÃÊý¾Ý¿âÀà
///
public class DataBase
{
private string ConnStr = null;
public DataBase()
{
 &nb ......
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