更多"Your test database̳"的相关试题:
[单项选择] Examine the following scenario: - Database is running in ARCHIVELOG mode. - Complete consistent backup is taken every Sunday. - On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted - The disk having active online redo log files is also corrupted. - The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure?()
A. Restore the latest whole backup, perform complete recovery, and open the database normally
B. Restore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS option.
C. Restore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS option.
D. Restore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option.
[单项选择]What is the danger associated with stopping a running job by using the STOP_JOB procedure?()
A. The job will need to be reenabled before it will execute again.
B. The job may hold locks on objects referenced within it.
C. All jobs within the job group will also be stopped.
D. The job may leave data in an inconsistent state.
E. There is no danger in using the STOP_JOB procedure.
[单项选择]A user reports that their machine seems to be running slower than usual. The user states that the computer has become progressively worse as more applications are installed. Which of the following is the FIRST step the technician should take?()
A. Run the CHKDSK utility
B. Run the disk defragmenter utility
C. Increase the capacity on the system volume
D. Convert to a dynamic drive on the system
[单项选择] Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two pluggable databases, HR_PDB and ACCOUNTS_PDB. An RMAN backup exists for the database. You issue the command to open ACCOUNTS_PDB and find that the USERDATA.DBF data file for the default permanent tablespace USERDATA belonging to ACCOUNTS_PDB is corrupted. What should you do before executing the commands to restore and recover the data file in ACCOUNTS_PDB?()
A. Place CDB1 in the mount stage and then the USERDATA tablespace offline in ACCOUNTS_PDb.
B. Place CDB1 in the mount stage and issue the ALTER PLUGGABLE DATABASE accounts_pdb CLOSE IMMEDIATE command.
C. Issue the ALTER PLUGGABLE DATABASE accounts_pdb RESTRICTED command.
D. Take the USERDATA tablespace offline in ACCOUNTS_PDb.
[多项选择] Your database instance is running with full workload after database creation. You have decided to useafixed-sizeundo tablespace. You want to use the Undo Advisor to estimate the capacity of the undotablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace()
A. the retention period to support flashback
B. the expected length of the longest-running query
C. the number of undo tablespaces in the database
D. the size of the Flash Recovery Area for the database instance
[单项选择] public class X implements Runnable ( private int x; private int y; public static void main(String args) ( X that = new X(); (new Thread(that)) . start( ); (new Thread(that)) . start( ); ) public synchronized void run( ) ( for (;;) ( x++; y++; System.out.printIn(“x = “ + x + “, y = “ + y); ) ) ) What is the result?()
A. An error at line 11 causes compilation to fail.
B. Errors at lines 7 and 8 cause compilation to fail.
C. The program prints pairs of values for x and y that might not always be the same on the same line (for example, “x=2, y=1”)
D. The program prints pairs of values for x and y that are always the same on the same line (forexample, “x=1, y=1”. In addition, each value appears twice (for example, “x=1, y=1” followed by “x=1, y=1”)
E. The program prints pairs of values for x and y that are always the same on the same line (for example, “x=1, y=1”. In addition, each value appears twice (for example, “x=1, y=1” followed by “x=2s, y=2”)
[单项选择]You manage a computer running Windows 2000 Professional that belongs to a workgroup. You create a new user account (Tony) on that computer that is not a member of the Administrators group. You log on using the new account. You create a file with notepad in a folder that is on a volume formatted with NTFS. You encrypt the file. You give another user account defined on that computer, Luis the permission to take ownership of the file. Luis logs on using the account and takes ownership. However, she receives an error message reporting that access is denied when she tries to open the file. What can you do to allow Luis to open the file?()
A. Instruct Luis to decrypt the file before she tries to open it.
B. Log on with the account Tony and decrypt the file.
C. Move the file to a folder that is not encrypted on a different volume that is formatted with NTFS.
D. Move the file to a folder that is not encrypted on the same volume.
[单项选择]Your test database is running in NOARCHIVELOG mode. What are the implications of this? ()
A. You can perform open database backups.
B. You can perform closed database backups.
C. You cannot perform schema-level logical backups.
D. You can perform the backup of only the SYSTEM tablespace when the database is open.