You observed the following output for a user session:
What do you infer from the preceding output?
A. Resumable set for session with sid 18
B. The user session has entered into a deadlock
C. The database instance is enabled to use asynchronous commit
D. The threshold warning limit is exceeded for the tablespace that is used by the user session
View the following SQL statements: Transaction T1
SQL> INSERT INTO hr.regions 2 VALUES (5,'Pole'); 3 COMMIT;
Transaction T2
SQL> UPDATE hr.regions 2 SET region_name='Poles' 3 WHERE region_id = 5; 4 COMMIT;
Transaction T3
SQL> UPDATE hr.regions 2 SET region_name='North and South Poles' 3 WHERE region_id = 5;
You want to back out transaction T2. Which option would you use?
A. It is possible, but transaction T3 also backs out.
B. It is possible with the NOCASCADE_FORCE option.
C. It is possible with the NONCONFLICT_ONLY option.
D. It is not possible because it has conflicts with transaction T3.
You are using Recovery Manager (RMAN) for backup and recovery operations with a recovery catalog. You have been taken database backups every evening. On November 15, 2007, at 11:30 AM, you were informed that the USER_DATA tablespace was accidentally dropped. On investigation, you found that the tablespace existed until 11:00 AM, and important transactions were done after that. So you decided to perform incomplete recovery until 11:00 AM. All the archive logs needed to perform recovery are intact. In NOMOUNT state you restored the control file that has information about the USER_DATA tablespace from the latest backup. Then you mounted the database. Identify the next set of commands that are required to accomplish the task?
A. Option A
B. Option B
C. Option C
D. Option D
In your production database, users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason, you realize that another user executed the TRUNCATE TABLE command, which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas.
Which method must you use to recover the lost data?
A. Complete Recovery with online redo log
B. Complete Recovery with archived redo log
C. Tablespace Point-in-Time Recovery (TSPITR)
D. Incomplete Recovery with system change number (SCN)
Evaluate the following block of code:
What is the outcome of the above code?
A. It produces an error because a fully qualified host name needs to be specified.
B. It produces an error because the range of ports associated with the hosts has not been specified.
C. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT and RESOLVE privileges.
D. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT privilege but not the RESOLVE privilege.
ENCRYPT_TS is an encrypted tablespace that contains tables with data.
Which statement is true regarding the effect of queries and data manipulation language (DML) statements on the encrypted data in the tables?
A. The data is decrypted during SORT and JOIN operations.
B. The data remains encrypted when it is read into memory.
C. The data remains encrypted when it is stored in the redo logs.
D. The data remains encrypted in the UNDO tablespace provided that the UNDO tablespace was created with the encryption option enabled.
You notice that the performance of the database has degraded because of frequent checkpoints. Which two actions resolve the issue?
A. Disable automatic checkpoint tuning.
B. Check the size of the redo log file size and increase the size if it is small.
C. Set the FAST_START_MTTR_TARGET parameter as per the advice given by the MTTR Advisor.
D. Decrease the number of redo log members if there are more than one redo log members available in each redo log group.
You want to create a consumer group, GROUP1, and you execute the following command in the command-line interface: SQL> EXEC DBMS_RESOURCE_MANAGER.CREATE_CONSUMER_GROUP (CONSUMER_GROUP =>'group1', COMMENT => 'New Group'); This command errors out displaying the following message: ERROR at line 1: ORA-29371: pending area is not active ORA-06512: at "SYS.DBMS_RMIN", line 115 ORA-06512: at "SYS.DBMS_RESOURCE_MANAGER", line 108 ORA-06512: at line 1 What action would you take to overcome this error?
A. activate the Pending Area before creating the consumer group
B. create the Pending Area before creating the consumer group
C. increase the size of the database buffer cache to accommodate the Pending Area
D. increase the size of the shared pool to accommodate the Pending Area
E. increase the size of the large pool to accommodate the Pending Area
You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file, if it has already been backed up.
A. The data file backup is done with multiple channels
B. The data files is in the read-write mode after being backed up in the read only mode
C. The backup was taken after the data files was taken offline-normal or is in the read only mode
D. The data file backup complies with the back retention policy and the backup duplexing feature
Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows:
RMAN> RUN { ALLOCATE AUXILIARY CHANNEL aux 1 DEVICE TYPE DISK; DUPLICATE TARGET DATABASE TO auxdb; }
Which statement is true about the duplicate database in this scenario?
A. It contains data till the last backup
B. It contains all data from target database until the current time C. It contains all data from only the committed transactions in the target database
D. It contains all data except that which is used by the transactions in the current online redo file of target database