摘要：
举个栗子 if object_id(N'[dbo].[TestForekoy_Mission]',N'u') is not null drop table [dbo].[TestForekoy_Mission]gocreate table [dbo].[TestForekoy_Mission]( [ 阅读全文
摘要：
举个栗子 alter table dbo.TestForekoy_StaffSecurity add InputWrong int not null constraint DF_TestForekoy_StaffSecurity_InputWrong default (0) 阅读全文