IF EXISTS(SELECT 1 FROM [dbo].[item] WHERE [cancelado] IS NULL)
BEGIN
	UPDATE [dbo].[item] SET [cancelado] = 0 WHERE [cancelado] IS NULL;
END
IF EXISTS(SELECT 1 FROM [dbo].[item] WHERE [sinistrado] IS NULL)
BEGIN
	UPDATE [dbo].[item] SET [sinistrado] = 0 WHERE [sinistrado] IS NULL;
END