單項選擇題

Exhibit： Using Database Control， you have scheduled a job to shrink the TRANStable residing on the TTtablespace. The job would run at 5：00 p.m. every Friday.When you examine the space usage of the table after the completion of the job， you find that the table has not been shrunk. What could have been the reason for this？（）

A. The tablespace that contains the TRANS table is online.
B. The tablespace that contains the TRANS table is permanent.
C. The tablespace that contains the TRANS table is locally managed.
D. The segment space management of the tablespace that contains the TRANS table is manual in nature.

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單項選擇題

You executed the following command in Recovery Manager （RMAN）：
RMAN> RESTORE CONTROLFILE；
Which operation must you perform before this command is executed？（）

A. back up the control file to trace
B. bring database to the MOUNT state
C. open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database
D. set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

單項選擇題

A user executes a query on the EMPtable， which contains thousands of rows， to get details about employees in one of the departments. The user receives the following error：
SQL> SELECT ename FROM emp WHERE deptno=10 ORDER BY sal；
SELECT ename FROM emp WHERE deptno=10 ORDER BY sal
ERROR at line 1：
ORA-01157： cannot identify/lock data file
201 - see DBWR trace file ORA-01110： data file 201：’/u01/app/oracle/oradata/orcl/temp01.dbf’
What is a possible reason？（）

A. The tempfile belonging to the default temporary tablespace is missing.
B. The database is opened in restricted mode， so queries are not allowed
C. The default temporary tablespace required to execute the query is offline.
D. The default temporary tablespace required to execute the query is dropped.
E. The default temporary tablespace required to execute the query is read-only.

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你可能感興趣的試題

You executed the following command in Recovery Manager （RMAN）： RMAN> RESTORE CONTROLFILE； Which operation must you perform before this command is executed？（）

You executed the following command in Recovery Manager （RMAN）：
RMAN> RESTORE CONTROLFILE；
Which operation must you perform before this command is executed？（）