多項(xiàng)選擇題

Your database is running in ARCHIVELOG mode. One of the data files, USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available.
Which three files would be used in the user-managed recovery process performed by the database administrator （）(DBA)? (Choose Three)

A. Redo logs
B. Control file
C. The latest backup of only the damaged data file
D. The latest backup of all the data file in the USERS tablespace
E. Temporary files of temporary tablespace
F. Archive Logs since the latest backup to point of failure

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單項(xiàng)選擇題

Evaluate the following command：
SQL>ALTER SYSTEM SET db_securefile = ’IGNORE’；
What is the impact of this setting on the usage of SecureFiles？（）

A. It forces BasicFiles to be created even if the SECUREFILE option is specified to create the LOB
B. It forces SecureFiles to be created even if the BASICFILE option is specified to create the LOB
C. It does not allow the creation of SecureFiles and generates an error if the SECUREFILE option is specified to create the LOB
D. It ignores the SECUREFILE option only if a Manual Segment Space Management tablespace is used and creates a BasicFile

單項(xiàng)選擇題

You work with a newly created database. Presently, there is no application load on the database instance.You want to create a baseline for tuning the application, so you decide to collect recommendations that can be implemented to improve application performance.What action must you take to achieve this?（）

A. Run Segment Advisor
B. Run the SQL Tuning Advisor (STA)
C. Run the Automatic Workload Repository (AWR) report
D. Run the SQL Access Advisor with a hypothetical workload

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Evaluate the following command： SQL>ALTER SYSTEM SET db_securefile = ’IGNORE’； What is the impact of this setting on the usage of SecureFiles？（）

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Evaluate the following command：
SQL>ALTER SYSTEM SET db_securefile = ’IGNORE’；
What is the impact of this setting on the usage of SecureFiles？（）