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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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.
A. setenv ORA_SDTZ ’DB_TZ’
B. setenv ORA_SDTZ ’+10:00’
C. setenv ORA_SDTZ ’OS-TZ’
D. setenv ORA_SDTZ ’Europe/London’
A. FRENCH_AI
B. FRENCH_CI
C. AI_FRENCH
D. CI_FRENCH
You created the ORDERS table in your database by using the following code:
SQL> CREATE TABLE ORDERS (ORDER_DATE TIMESTAMP(0) WITH TIME ZONE);
Then, you inserted data in the ORDERS table and saved it by issuing the following statements:SQL> INSERT INTO ORDERS VALUES(’18-AUG-00 10:26:44 PM America/New_York’);
SQL> INSERT INTO ORDERS VALUES(’23-AUG-02 12:46:34 PM America/New_York’);
SQL> COMMIT;
Next, you issued the following statement to change the time zone for the database:
SQL> ALTER DATABASE SET TIME_ZONE=’Europe/London’;
What will be the result of executing the above statement?()
A. The statement will fail.
B. The statement will be executed successfully, and the new time zone will be set for the database.
C. The statement will be executed successfully, but the new time zone will be set for the current session.
D.The statement will be executed successfully, but the new time zone will neither be set for the database nor for a specific session.
A. ALTER SYSTEM KILL SESSION
B. ALTER SYSTEM DISCONNECT SESSION
C. ALTER SYSTEM QUIESCE RESTRICTED
D. ALTER SYSTEM ENABLE RESTRICTED SESSION
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.
A. INSTANCE_TYPE
B. DB_UNIQUE_NAME
C. ASM_DISKSTRING
D. ASM_POWER_LIMIT
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.
You execute the following command to start an Automatic Storage Management (ASM) instance: SQL>STARTUP;
In which of the following modes will the ASM instance start?()
A. OPEN
B. MOUNT
C. NORMAL
D. NOMOUNT
A. BACKUP AS BACKUPSET
B. BACKUP AS COPY
C. BACKUP AS COMPRESSED BACKUPSET
D. BACKUP INCREMENTAL LEVEL n CUMULATIVE
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?()
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?()
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?()
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?()
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?()
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?()
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?()
You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area? ()
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?()
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? ()