IF NOT EXISTS (SELECT 1 FROM SYSCOLUMNS WHERE ID = OBJECT_ID('PRC_FILIAL') AND name = 'CGC_CPF_RESP')
BEGIN 
	ALTER TABLE PRC_FILIAL ADD CGC_CPF_RESP VARCHAR(20) NULL
	ALTER TABLE [dbo].[PRC_FILIAL] ADD  CONSTRAINT [DF_PRC_FILIAL_CGC_CPF_RESP] DEFAULT ('') FOR [CGC_CPF_RESP]
END