47. What’s the benefit of "dbms_stats" over "analyze"?
48. Typically, where is the conventional directory structure chosen for Oracle binaries to reside?
49. You have found corruption in a tablespace that contains static tables that are part of a database that is in NOARCHIVE log mode. How would you restore the tablespace without losing new data in the other tablespaces?
50. How do you recover a datafile that has not been physically been backed up since its creation and has been deleted. Provide syntax example.