You want to check the details of few errors that users have reported. You search for the alert log file andexecute few commands to find the location of the alert log file. View the Exhibit and check the commandsexecuted. 
What is the location of the alert_orcl.log file（）

ou have a large amount of historical data in a flat file. Some analysts in your organization need to query thisdata in the file. The file is too large to load the data in it into your current database. 
Which is the most effectivemethod to access this data in your database（）