A. NOLOG mode B. NOARCHIVELOG mode C. LOGGING mode D. HOTDATABASE mode E. ARCHIVELOG mode
You backed up the database at 8 a.m. today using an online backup. Accounting made a large change to the underlying data between 10 a.m. and noon. Which of the following actions would ensure that the changes could be recovered using the 8 a.m. backup?()
A. Create a manual incremental online database backup. B. Back up all the archived redo logs generated since the 8 a.m. backup. C. Create a brand-new backup after all the changes have been applied. D. There is no way to make the changes recoverable based on the 8 a.m. backup. E. Perform an online backup of the tablespace(s) that contained changed data.
A. alter tablespace MY_DATA begin backup B. alter tablespace MY_DATA start backup C. alter tablespace MY_DATA backup begin D. alter MY_DATA begin backup E. You cannot back up individual tablespaces