SQLServer删除所有外键

declare @sql varchar(max),@tab_name varchar(128),@fk_name varchar(128);
declare c cursor for
select OBJECT_NAME(parent_object_id),name from sys.objects where type='F'

open c
fetch next from c into @tab_name,@fk_name 
while @@FETCH_STATUS=0
begin 
 set @sql='';
 set @sql='alter table ' + @tab_name + ' drop constraint ' + @fk_name
 print @sql
 exec(@sql)
 
 fetch next from c into @tab_name,@fk_name
end
close c
deallocate c

（编辑：李大同）

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