OCP 11G认证考试章节练习(2018.10.22)

A. Implement RMAN multiplexing
B. Set the DEBUG ON in the RMAN script
C. Specify the command ID in the RMAN script
D. Use a tag with the RMAN BACKUP command

A.create recovery catalog 
B.create catalog
C.build catalog 
D.catalog create 
E.mount catalog 

A.Only one LONG column can be used per table 
B.A TIMESTAMP data type column stores only time values with fractional seconds 
C.The BLOB data type column is used to store binary data in an operating system file 
D.The minimum column width that can be specified for a VARCHAR2 data type column is one 
E.The value for a CHAR data type column is blank-padded to the maximum defined column width

A. The statistics are stored in the pending statistics table in the data dictionary.
B. The statistics are treated as the current statistics by the optimizer for all sessions.
C. The statistics are treated as the current statistics by the optimizer for the current sessions only.
D. The statistics are temporary and used by the optimizer for all sessions until this session terminates.

A. The ADDM task is filtered to suppress the Segment Advisor suggestions for the SCOTT schema.
B. The ADDM task is filtered to produce the Segment Advisor suggestions for the SCOTT schema only.
C. The PL/SQL block produces an error because the my_instance_analysis_mode_task task has not been reset to its initial state.
D. All subsequent ADDM tasks including my_instance_analysis_mode_task are filtered to suppress the Segment Advisor suggestions for the SCOTT schema.

A. Only one channel is allocated and the backup is created in the flash recovery area
B. Only one channel is allocated and the backup is created in the destination specified for channel
C. Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2
D. Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA

A. The plan baselines can be evolved over time to produce better performance.
B. The newly generated plans are directly placed into the SQL plan baseline without being verified.
C. The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.
D. The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.

A. PLSQL_BLOCK PLSQL
B. EXECUTABLE
C. JAVA_STORED_PROCEDURE
D. STORED_PROCEDURE
E. EXTERNAL

A.SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_credit_limit DESC
B.SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_credit_limit
C.SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_credit_limit NULLS LAST
D.SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_last_name, cust_credit_limit NULLSLAST

A. They deregister all databases registered in the RCAT10 catalog.
B. They import metadata for all registered databases in the RCAT10 database.
C. They register all the RCAT10-catalog registered databases in the RCO11 catalog.
D. They overwrite all stored scripts in the RCO11 catalog with the same name as that in the RCAT10 catalog.