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用sql server存储过程写一个排序的代码

程序员文章站 2022-06-22 18:03:42
declare @a int,@str nvarchar(100),@i int,@j int,@m int, @n int,@q intcreate table table_order( id int, num int, ) set @str='1,3,2,5,4,6';set @a=len(@str)set @i=1 while @i<=(@a+1)/2 begin...
declare @a int,@str nvarchar(100),@i int,@j int,@m int, @n int,@q int
create table table_order(     
         id int,
         num int,
         ) 
set @str='1,3,2,5,4,6';
set @a=len(@str)
set @i=1
        while @i<=(@a+1)/2         
        begin 
                 insert table_order(id,num) values(@i,substring(@str,2*@i-1,1))  --将str里的数直接插入表中 
                  set @i=@i+1
        end 

        select * from table_order   --查询表的初始数据
set @i=1
set @j=1
while @i<=(@a+1)/2
        begin
                 set @m= (select num from table_order where id =@i)
                 set @j=@i+1
                        while @j<=(@a+1)/2 
                        begin 
                        set @n= (select num from table_order where id =@j )
                        if @m>=@n
                        begin
                        update table_order set num=@m where id=@j
                        update table_order set num=@n where id=@i   
                        end
                        set @j=@j+1
                        end
                set @i=@i+1
end        
select * from table_order

运行结果:
用sql server存储过程写一个排序的代码

本文地址:https://blog.csdn.net/qq_44108455/article/details/107637085

相关标签: 基础学习