alter table [dbo].[HSSEData_HSSE] alter column [TotalEnergyConsumption] decimal(18,4) null alter table [dbo].[HSSEData_HSSE] alter column [IncomeComprehensiveEnergyConsumption] decimal(18,4) null alter table [dbo].[HSSEData_HSSE] alter column [NewWaterConsumption] decimal(18,4) null go