alter table TTT drop constraint DF_xxx
GO
alter table TTT alter column status varchar(16) NOT NULL
GO
ALTER TABLE TTT ADD CONSTRAINT [DF_xxx] DEFAULT ('Planned') FOR Status
GO
相关文章:
alter table TTT drop constraint DF_xxx
GO
alter table TTT alter column status varchar(16) NOT NULL
GO
ALTER TABLE TTT ADD CONSTRAINT [DF_xxx] DEFAULT ('Planned') FOR Status
GO
相关文章: