标签：style add span ble sel object column code object_id
if exists(select * from syscolumns where id=object_id(‘表名‘) and name=‘列名‘) begin alter table 表名 drop column 列名 ; end alter table 表名 add 列名 int identity(1,1);
标签：style add span ble sel object column code object_id
原文地址：https://www.cnblogs.com/ligl/p/9797102.html
