2019-12-31 sql 新增字段并添加注释

use [NECarDS]
go

alter table Car_Info 
add Car_set nvarchar(10) null
EXECUTE sp_addextendedproperty N'MS_Description','字段说明内容',N'user',N'dbo',N'table',N'Car_Info',N'column',N'Car_set'