针对已有数据的表创建标识列: Alter table TableName Add FID bigint identity(1,1) constraint FID_1 primary key(FID) 相关文章: 2021-04-07 2021-12-15 2022-02-04 2021-08-25 2022-12-23 2022-12-23 2021-06-30 2021-11-15