DROP INDEX VS4TMRPStepName.TSepTSfdID
GO
ALTER TABLE VS4TMRPStepName
	DROP COLUMN TSepTSfdID, TSepTSfdName, TSepUnitName, TSepUntName, TSepPrintFormula, TSepCheckClose, TSepStepLn, TSepSetupTime, TSepLeadin, TSepLeadOut
GO
ALTER TABLE VS4TMRPStepName ADD
	TSepTSecCode nvarchar(30) NULL
GO
UPDATE VS4TMRPStepName SET TSepTSecCode =TSepSecCode 
GO