多项选择题X 纠错
A. Drop and re-create the inbox.
B. Coalesce the ORDERS_IND index.
C. Coalesce the INDEXES tablespace.
D. Drop and re-create the ORDERS table.
E. Rebuild the index online and move it to another tablespace.
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单项选择题
A. LogMiner
B. The DBNEWID utility
C. The DBVERIFY utility
D. The ANALYZE command
E. The RMAN REPORT command
F. The RMAN CROSSCHECK command.
G. The RMAN BLOCKRECOVER command.
单项选择题
A. Use the CHANGE_PASSWORD command of the Listener control utility.
B. Use the SET PASSWORD and SAVE_CONFIG commands of the Listener control utility.
C. Use the CHANGE_PASSWORD and SAVE_CONFIG commands of the Listener control utility.
D. Manually modify the listener.ora file to include the password for the listener and restart the listener.
单项选择题
A. Only one nested subplan is allowed.
B. The plans can be nested up to four levels.
C. Resource Manager does not support nested plans.
D. Nested plans control only the degree of parallelism but not the CPU.
E. Each nested plan gets a proportion of the CPU resources assigned to its parent group.
多项选择题
A. SYS_GROUP gets 100% CPU resources at level 1.
B. FIN_GROUP1 gets 80% CPU resources at level 1.
C. FIN_GROUP1 gets 80% CPU resources at level 2.
D. PAY_GROUP1 gets 20% CPU resources at level 1.
E. PAY_GROUP1 gets 20% CPU resources at level 2.
F. OTHER_GROUP gets 100% CPU resources at level 1.
G. OTHER_GROUP gets 100% CPU resources at level 2.
单项选择题
A. By having each user run the report generation procedure at the scheduled time, supplying the necessary input variables.
B. By creating a program using DBMS_JOB that accepts one or more variables, and creating a job that calls this program using DBMS_JOB.
C. By having each user schedule a job using DBMS_JOB that accepts one or more input variables and calls a procedure that generates the report.
D. By having each user create a job using DBMS_SCHEDULER that includes all the information and commands necessary to generate the report.
E. By creating a program using DBMS_SCHEDULER that accepts one or more variables, and creating a job that calls this program using DBMS_SCHEDULER.
单项选择题
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
多项选择题
A. To recover a dropped table.
B. To recover a dropped schema.
C. To recover data from a truncated table.
D. To view changes made by all the transactions during a given period of time.
E. To view changes made by a single transaction during a given period of time.
多项选择题
A. A tablespace is taken offline.
B. The database instance is restarted.
C. A new data file is added to an existing tablespace.
D. A successful backup is recorded in the RMAN repository.
E. The RMAN connection is disconnected from the target database.
单项选择题
A. Create a backup of the database and recover all corrupted blocks found in the backup.
B. Run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database.
C. Run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view.
D. Run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view.
E. Run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired.
单项选择题
A. Eliminate the necessity for backups.
B. Perform optimized image copy backups.
C. Perform optimized incremental backups.
D. Enable checkpoint (CKPT) to perform checkpointing at every block change.
E. Enable database writer (DBWn) to write changed blocks to data files faster.