sqlserver 游标

 

n*(n+1)/2

 

DECLARE @name varchar(50);
DECLARE @code varchar(50);
DECLARE @z varchar(50);
DECLARE de CURSOR
for select name,code from base
open de 
–fetch next from de into @name,@code
print ‘name1=‘+@name
set @z=‘ ‘

WHILE @@FETCH_STATUS = 0

begin
fetch next from de into @name,@code
set @z= @z+@name+‘ ,‘
end
print @z
close de –关闭游标
deallocate de –释放游标