alter table [dbo].[WBS_WorkPackage] add PreJobId nvarchar(50) null GO alter table [dbo].[WBS_WorkPackage] add PlanProjectQuantity decimal(18,2) null GO alter table [dbo].[WBS_WorkPackage] add RealProjectQuantity decimal(18,2) null GO alter table [dbo].[WBS_WorkPackage] add PlanStartDate datetime null GO alter table [dbo].[WBS_WorkPackage] add PlanEndDate datetime null GO alter table [dbo].[WBS_WorkPackage] add RealStartDate datetime null GO alter table [dbo].[WBS_WorkPackage] add RealEndDate datetime null GO alter table [dbo].[WBS_WorkPackage] add Unit nvarchar(50) null GO alter table [dbo].[WBS_WorkPackage] add IsMileStone bit null GO alter table [dbo].[WBS_UnitWork] add PlanStartDate datetime null GO alter table [dbo].[WBS_UnitWork] add PlanEndDate datetime null GO alter table [dbo].[WBS_UnitWork] add RealStartDate datetime null GO alter table [dbo].[WBS_UnitWork] add RealEndDate datetime null GO