Which of the following is a prerequisite for running DBMS_TDB.CHECK_DB to a successful completion？（）
A: The database must be in read-write mode.
B: The database must have no external files.
C: The database must open in read-only mode.
D: The database must be mounted but not opened.
A: The database must be in read-write mode.
B: The database must have no external files.
C: The database must open in read-only mode.
D: The database must be mounted but not opened.
举一反三
- The Database must be in this mode for the instance to be started:() A: MOUNT B: OPEN C: NOMOUNT D: None
- You realize that the control file is damaged in your production database.After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?（） A. Mount the database B. Open the database in NORMAL mode C. Open the database in RESTRICTED mode D. Open the database with the RESETLOGS option
- When the database is open, which of the following tablespace must be online?() A: SYSTEM B: TEMPORARY C: ROLLBACK D: USERS
- When the database is open, which of the following tablespace must<br/>be online? A: SYSTEM B: TEMPORARY C: ROLLBACK D: USERS
- The Three-Tier model of the database system is（）. A: Up mode, mode, Down mode B: Front mode, mode, Rear mode C: External mode, mode, internal mode D: Large mode, Medium mode, Small mode