ALTER DATABASE tubase
SET SINGLE_USER
WITH ROLLBACK IMMEDIATE
ALTER DATABASE tubase
SET MULTI_USER
Alter PROC Exportar_TXT
as
declare @SQLString nvarchar(4000)
SET @SQLString = 'bcp "select * from dbo.Lcalidad" QUERYOUT E:\prueba.txt -c -SAxcrt49 -Ufpostai -Pc8g893'
EXECUTE sp_executesql @SQLString