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1z0-043單項選擇題每日一練(2019.01.23)

單項選擇題
You want to view the name of a program associated with a job for making some changes to the program. Which view will you query to find the name of the program associated with the job？（）
A. DBA_SCHEDULER_JOB_RUN_DETAILS
B. DBA_SCHEDULER_RUNNING_JOBS
C. DBA_SCHEDULER_JOBS
D. DBA_SCHEDULER_JOB_LOG
單項選擇題
On Monday， you dropped the DEPT table from your schema and then you recreated the DEPT table in your schema. On Wednesday， you have a requirement to restore the DEPT table from the recycle bin. Which statement is correct？（）
A.You can restore the DEPT table by using the Oracle Flashback Drop feature， provided you use the RENAME TO clause.
B.You can restore the DEPT table by using the Oracle Flashback Drop feature and a systemgenerated name will be assigned to the restored table.
C.You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table withthe name DEPT already exists in your schema.
D.You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.
單項選擇題
You are maintaining your OLTP database in Oracle10g. You are performing the Flashback Transaction Query to find the undo SQL statements that can be used to undo the changes made to the database in the specific time period. Which pseudocolumn will you use to perform the Flashback Transaction Query？（）
A. VERSIONS_STARTSCN
B. VERSIONS_STARTTIME
C. VERSIONS_XID
D. VERSIONS_OPERATION
單項選擇題
Consider the following command to add a new disk group called "tdgroupA" with two failover groups： CREATE DISKGROUP tdgroupA NORMAL REDUNDANCY FAILOVERGROUP control01 DISK’/devices/A1’， ’/devices/A2’， ’/devices/A3’ FAILOVERGROUP control02 DISK’/devices/B1’， ’/devices/B2’， ’/devices/B3’m The disk "/devices/A1" is currently a member disk of a disk group by the name "tdgroup1". Which task would be accomplished by the command？（）
A. This command would result in an error because a disk group can have only one failover group.
B. This command would result in an error because the /devices/A1 disk is a member of another disk group tdgroup1.
C. A new disk group called tdgroupA will be added with two failover groups and the /devices/A1 disk will get reattached to the new disk group without being detached from the existing one.
D. A new disk group called tdgroupA will be added with two failover groups and the /devices/A1 disk will be ignored for the new disk group because it is a member of an existing disk group tdgroup1.
E. A new disk group called tdgroupA will be added with two failover groups and the /devices/A1 disk gets detached from the existing disk group tdgroup1 and attached to the new disk group tdgroupA
單項選擇題
You want to implement the backup and recovery strategy in your database using Recovery Manager （RMAN）. You have chosen the control file of the target database for the RMAN repository. Which command-line RMAN command would you use to establish a local connection between RMAN and the RMAN repository if your database is using password file authentication？（）
A. rman TARGET / NOCATALOG
B. rman TARGET sys/password
C. rman TARGET sys/password AS SYSDBA
D. rman TARGET sys/password@db_name CATALOG rman_user/rman_password@rcat

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