IF EXISTS (SELECT * FROM SYS.COLUMNS  WHERE NAME = 'VLR_COMPRAS'  AND OBJECT_ID = OBJECT_ID('EST_MOVIMENTO_COMPRAS'))
begin	
ALTER TABLE dbo.EST_MOVIMENTO_COMPRAS
	DROP COLUMN DS_MOV_OP, VLR_COMPRAS, VLR_DESC, VLR_ICMS_SUBS, VLR_FRETE, VLR_IPI, VLR_COMPRAS_LIQ, DS_TIPO_TRANSACAO, VLR_OUTRAS_DESPESAS, VLR_ICMS_DESONERADO
end