單項選擇題

Very soon you will be performing maintenance operations. You would have several jobs to run as soon as the maintenance period starts. Which method would you use to create jobs without specifying the time period when the job should be run？（）

A. use DBMS_IJOB package
B. use Oracle Scheduler
C. use DBMS_JOB package
D. use Oracle Data Pump Export and Import

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單項選擇題
A media failure has occurred. This has resulted in all the members of the next log group being rendered inaccessible to the log writer process （LGWR） at a log switch. How does this failure affect the operational database？（）
A. The database allows only queries； no other statements are allowed.
B. The database re-creates the missing redo log files automatically.
C. The database continues to function normally with the existing files.
D. The database returns an error and the database instance shuts down.
E. The user sessions that generate redo logs are terminated automatically.
單項選擇題
The EMPLOYEES table is stored in the USERS tablespace. You need to check if the EMPLOYEES table is affected by the block corruption found in the USERS tablespace. Which option would you use？（）
A. the RMAN LIST command
B. the DBNEWID utility
C. the RMAN REPORT command
D. the RMAN BLOCKRECOVER command
E. the RMAN CROSSCHECK command
F. the ANALYZE command