单项选择题

Click the Exhibit(s) button to view the EMPLOYEES table. 



The EMPLOYEE table contains thousands of rows. The EMP_CODE column is the primary key column. At the end of every month, you are required to perform search queries based on the BASIC_SAL+COMM column values. Which type of index will you create?()      

A. B-tree Index
B. Bitmap Index
C. Function-based Index
D. Partitioned Index


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1.单项选择题

You issued the following command at the UNIX environment:  
% setenv ORA_SDTZ ’OZ_TZ’  
What will be the impact of issuing the above command?()  

A. The operating system local time zone will be set for a user session using the operating system environment variable.
B. The database local time zone will be set for a user session using the operating system environment variable.
C. The operating system local time zone will be set for the database using the operating system environment
D. The database local time zone will be set for the database using the operating system environment variable.

5.单项选择题Which statement must you issue to an already-running Automatic Storage Management (ASM) instance to prevent database instances from connecting to the ASM instance?() 

A. ALTER SYSTEM KILL SESSION
B. ALTER SYSTEM DISCONNECT SESSION
C. ALTER SYSTEM QUIESCE RESTRICTED
D. ALTER SYSTEM ENABLE RESTRICTED SESSION

6.单项选择题Which of the following options is true about shutting down an Automatic Storage Management (ASM) instance?()  

A. If the SHUTDOWN IMMEDIATE command is issued to the ASM instance, the ASM instance immediately shuts down.
B. If the SHUTDOWN ABORT command is issued to the ASM instance, the ASM instance will shut down all the database instances and then shut down immediately.
C. If the SHUTDOWN NORMAL command is issued to the ASM instance, before shutting down, the ASM instance waits for the dependent database instances to shut down.
D. If the SHUTDOWN TRANSACTIONAL command is issued to the ASM instance, the ASM instance passes the same SHUTDOWN command to the dependent database instances, but does not wait for any active transactions to complete before it shuts down.

8.单项选择题Your database is configured on non-ASM disk storage. You need to migrate your database to ASM disk storage.  Which statement is true about migrating from non-ASM disk storage to ASM disk storage?() 

A. You can use the operating system utility to migrate from non-ASM disk storage to ASM disk storage.
B. You cannot perform a database backup from non-ASM disk storage to tape and then move it to ASM disk storage.
C. You can use the SWITCH DATABASE TO COPY Recovery Manager (RMAN) command to switch back to non-ASM disk storage if you have not deleted your original datafiles.
D. You cannot use Recovery Manager (RMAN) to migrate from non-ASM disk storage to ASM disk storage if you are not using RMAN for your backup and recovery strategies.

最新试题

You disabled the Flashback Database feature by using the following command: SQL> ALTER DATABASE FLASHBACK OFF; What would be the effect of this command on the existing flashback logs?()

题型:单项选择题

On Tuesday, a junior DBA dropped an important application user account, whose schema has important tables. You are asked to recover all the objects in the schema. On investigation, you find that the user account was dropped at 11:00 a.m. and Sunday’s backup is the most recent backup. Which flashback feature would you use?()

题型:单项选择题

The current time is 12:00 noon. You want to recover the USERS tablespace from a failure that occurred at 11:50 a.m. You discover that the only member of an unarchived redo log group containing information from 11:40 a.m. onwards is corrupt. With reference to this scenario, if you are not using Recovery Manager (RMAN), which recovery method would you use?()

题型:单项选择题

View the Exhibit. One of the important tables in the USERS tablespace was dropped and purged from the recycle bin at 9:00 a.m. You noticed this at 11:00 a.m. and you want to perform an incomplete recovery to recover the table. Which statement is true?()

题型:单项选择题

You lost the index tablespace in your database. You decided to re­create the index tablespace and the indexes in the tablespace. What methods can you use to re­create the indexes?()

题型:多项选择题

In your database, all the tablespaces are locally managed. You started Recovery Manager (RMAN) using recovery catalog and restored the control file by using the following command: RMAN> RESTORE CONTROLFILE; Which two operations do you need to perform after restoring the control file from backup?()

题型:多项选择题

You enabled the flashback logging feature, but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area?()

题型:单项选择题

You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area? ()

题型:多项选择题

You performed a backup of the flash recovery area by using the following command for the first time:RMAN> BACKUP RECOVERY AREA; Which files in the flash recovery area are backed up?()

题型:多项选择题

You are working on an Oracle Database 10g database. Because of data loss, you decided to perform a Flashback Database operation using the following command: SQL> FLASHBACK DATABASE TO TIMESTAMP(SYSDATE 5/24); Which two statements are true? ()

题型:多项选择题