Alter TABLE [dbo].[SYHSEData_Data]add [CreateDate] [datetime] NULL, [CreateMan] [nvarchar](50) NULL Alter TABLE [dbo].[SYHSEData_HiddenDangers] add [CheckDate] [datetime] NULL, [CheckUnit] [nvarchar](50) NULL, [CheckPerson] [nvarchar](50) NULL, [ConfirmPerson] [nvarchar](50) NULL, [RiskLevel] [nvarchar](50) NULL, [RiskAddress] [nvarchar](50) NULL, [RectificationStatus] [nvarchar](50) NULL, [ResponseUnit] [nvarchar](50) NULL Alter TABLE [dbo].[SYHSEData_MajorHazard] add [HazardCode] [nvarchar](100) NULL, [MainRespDepartment] [nvarchar](50) NULL