In an Oracle 10g&#81...

单项选择题X 纠错

In an Oracle 10g database， the in-memory statistics are gathered at regular intervals and used to perform growth-trend analysis and capacity planning of the database. Which component stores these statistics？（）

A. Recovery catalog
B. Oracle Enterprise Manager Repository
C. Automatic Workload Repository （AWR）
D. Oracle 10g Enterprise Manager Grid Control
E. Automatic Database Diagnostic Monitor （ADDM）

参考答案：

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单项选择题

Which type of PL/SQL construct would you use to automatically correct the error resulting from a statement that was suspended due to a space-related problem？（）

A. functions
B. package
C. procedure
D. database trigger
E. anonymous PL/SQL block

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单项选择题

Exhibit： View the Exhibit.You have more than one table in the recycle bin having the same original name， DEPT2. You do not have any table with the nameDEPT2 in your schema. You executed the following command：PURGE TABLE dept2； Which statement is correct in this scenario？（）

A. All the tables having the same original name as DEPT2 will be purged from the recycle bin.
B. The table with dropscn = 1928151 （oldest dropscn） will be purged from the recycle bin.
C. The table with dropscn = 1937123 （most recent dropscn） will be purged from the recycle bin.
D. None of the tables will be purged because there are multiple entries with the same original name in the recycle bin.

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单项选择题

While designing the database for one of your online transaction processing （OLTP） applications， you want to achieve the following：
a） high availability of data
b） faster primary key access to the table data
c） compact storage for the table
Which type of tables would you use to achieve these objectives？（）

A. heap tables
B. object tables
C. partitioned tables
D. index-organized tables （IOTs）

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单项选择题

You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）

A. The time when the last flashback operation in your database was performed.
B. The time when the first flashback operation in your database was performed.
C. A list of flashback operations performed in your database using SCN and time.
D. The approximate time and the lowest system change number （SCN） to which you can flash back your database.

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单项选择题

You database operates in ARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Tuesday， at 9：00 a.m. the current log sequence number was 369. Also， on Tuesday you lost the data file belonging to the SYSTEM tablespace and an achivelog file （sequence number 356） that contained redo entries between 8：00 a.m. and 8.30 a.m. With reference to this scenario， what would you do to recover the database？（）

A. Restore all the data files from last Sunday’s backup， and then perform a time-based recovery.
B. Restore all the data files from last Sunday’s backup， and then perform a cancel-based recovery.
C. Restore all the data files from last Sunday’s backup， and then perform a change-based recovery.
D. Restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup， and then perform a complete recovery.

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多项选择题

You lost a data file that belongs to an index tablespace in your database， which operates in ARCHIVELOG mode. Loss of the data file resulted in increased response time on your queries. Which two options would you use to solve this problem？（）

A. Restore the lost data file from the backup， and then flash back the database.
B. Restore the data file pertaining to index tablespace， and then recover the tablespace.
C. Restore all the data files， and then perform an incomplete recovery to get the tablespace back.
D. Restore all the data files， and then perform an incomplete recovery using the backup control file.
E. Drop and re-create the index tablespace， and then re-create all of the indexes in that tablespace.

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多项选择题

Users in your production database complain that they are getting the following error message while trying to insert rows into the ORDERS table：
ERROR at line 1：
ORA-01654： unable to extend index USERS.ORDERS_IND by 8 in tablespace INDEXES.While investigating， you find that the INDEXES tablespace has run out of space and there is no more free space on the disk where the data files are available. Which two actions could you perform to overcome this error without affecting the queries that are currently being executed？（）

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

You need to check the EMP_EAST partition in the EMPLOYEES table for physical corruptions. You also need to verify that the rows belong to the correct partition. Which option could you use？（）

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.

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单项选择题

You want your listener to be password protected to prevent it from being shut down. You want to accomplish this task while the listener is functional. Which method could you use to achieve this objective？（）

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.

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单项选择题

Which statement is true regarding the creation of nested plans using Resource Manager？（）

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.

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