declare @sql varchar(1000)
--set first bcp
set @sql = 'bcp "SELECT * FROM Table" queryout "\\server\folder\filename.txt" -c -q -S"ServerName" -T'
exec master..xp_cmdshell @sql
--set second bcp
set @sql = 'bcp "SELECT * FROM Table2" queryout "\\server\folder\filename.txt" -c -q -S"ServerName" -T'
exec master..xp_cmdshell @sql