use envisage2 go delete from Rate go delete from Scenario_Detail go delete from ProjectAccess go delete from Fee_Calculation go delete from Expenditure2Expenditure go delete from Expenditure_Category go delete from Expenditure go delete from Scenario go delete from Project go begin tran if exists (select * from sys.all_columns where name like 'FactorInt' and object_id like OBJECT_ID('[Expenditure2Expenditure]')) begin ALTER TABLE [Expenditure2Expenditure] DROP COLUMN FactorInt ALTER TABLE [Expenditure2Expenditure] Add FactorInt decimal(6,3) null end commit tran