A. You cannot specify MEMORY_TARGET if you explicitly specify SGA_TARGET or PGA_AGGREGATE_TARGET values that are greater than zero in your parameter file.
B. Oracle can reallocate memory between the SGA and PGA automatically as needed.
C. To use Automatic Memory Management, you must explicitly set both the MEMORY_TARGET and MEMORY_MAX_TARGET parameters in your parameter file.
D. You can set the MEMORY_TARGET parameter to a maximum value of the current SGA size plus the current PGA size.
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A. It detects changes in SQL execution plans.
B. It produces results that can be used to create the SQL plan baseline.
C. The importance of SQL statements is based on the size of the objects accessed.
D. It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.
E. It shows only the overall impact on workload and not the net SQL impact on workload.
You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database. As a part of the upgrade process, you execute the following script:
SQL>@utlu111i.sql
Which statement about the execution of this script is true?（）
A. It must be executed from the Oracle Database 11g environment.
B. It must be executed only after the SYSAUX tablespace has been created.
C. It must be executed from the environment of the database that is being upgraded.
D. It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.
E. It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.
Examine the following command that is executed for the TRANSPORT table in the SH schema:
Which statement describes the significance of this command?（）
A. It collects statistics into the pending area in the data dictionary
B. It creates a virtual hidden column in the CUSTOMERS_OBE table
C. It collects statistics with AUTO_SAMPLE_SIZE for ESTIMATE_PERCENT
D. It creates a histogram to hold skewed information about the data in the columns
A. A list of files that require a backup within 3 days
B. A list of files requiring more than 3 days of archivelogs to apply
C. A list of files that RMAN recommends be backed up only once in every three days, based on low volatility
D. A list of files for which a backup as already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them
You are managing an Oracle Database 11g database with the ASM storage. The database is having big file tablespaces. You want files to open faster and less memory to be used in the shared pool to manage the extent maps.
What configuration would you effect to achieve your objective? （）
A. Set the ASM compatibility attribute for the ASM disk group to 11.1.0.
B. Set the RDBMS compatibility attribute for the ASM disk group to 11.1.0.
C. Set the COMPATIBLE initialization parameter for the ASM instance to 11.1.0.
D. Set the COMPATIBLE initialization parameter for the database instance to 11.1.0.
When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics.
Which two statements describe the implications of this?（）
A. It produces less accurate results of the comparison analysis.
B. It automatically calls the SQL Tuning Advisor for recommendations.
C. It shortens the time of execution and reduces the impact on system resources.
D. Only the changes in the execution plan, and not performance regression, are detected.
You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent.
Which type of backup should you perform?（）
A. standard backup set
B. image copy
C. compressed backup
D. user-managed backup
Which steps are mandatory to enable Direct NFS?（）
1. Mount all required file systems using the kernel NFS driver.
2. Create an oranfstab file containing the attributes for each NFS server to be accessed using Direct NFS.
3. Replace the ODM library libodm11.so_stub with libodm11.so.
A. 2 and 3
B. 1 and 3
C. 1 and 2
D. 1, 2 and 3
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.
USER_DATA is a nonencrypted tablespace that contains a set of tables with data. You want to convert all existing data in the USER_DATA tablespace and the new data into the encrypted format.
Which methodswould you use to achieve this?（）
A. Use Data Pump to transfer the existing data to a new encrypted tablespace
B. Use ALTER TABLE MOVE to transfer the existing data to a new encrypted tablespace
C. Use CREATE TABLE AS SELECT to transfer the existing data to a new encrypted tablespace
D. Enable row movement for each table to be encrypted and then use ALTER TABLESPACE to encrypt the tablespace
E. Encrypt the USER_DATA tablespace using the ALTER TABLESPACE statement so that all the data in the tablespace is automatically encrypted
最新试题
Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（）
The database is currently open and the temp03.dbf tempfile belonging to the default temporary tablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner?（）
You are using Recovery Manager (RMAN) with a recovery catalog to back up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure, you lost your production database completely along with the recovery catalog database. You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task:Which option illustrates the correct sequence that you must use?（）
You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation?（）
You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?（）
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?（）
Which three statements are true about persistent configuration?（）
Which three tasks can be performed using a duplicate database?（）
Tape streaming is not happening while performing RMAN tape backup. On investigation, you find that it is not because of the incremental backup or the empty file backup and that RMAN is sending data blocks to the tape drive fast enough.What could be a solution to make tape streaming happen during the backup?（）
User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, which commands must you execute to enable SCOTT to flash back the transactions?（）