單項選擇題

You plan to use Flashback Drop feature to recover a dropped table SALES_EMP. No other table with the same name exists in the schema.
You query RECYCLEBIN and find multiple entries for the SALES_EMP table as follows:

You then issue the following statement to recover the table:
SQL> FLASHBACK TABLE sales_emp TO BEFORE DROP;
What would be the outcome of the precedent statement?（）

A. It retrieves the latest version of the table from the recycle bin
B. It retrieves the oldest version of the table from the recycle bin
C. It retrieves the version of the table for which undo information is available
D. It returns an error because the table name is not specified as per the names in the OBJECT_NAME column

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多項選擇題

Which of these recommendations should be followed before capturing a workload？（）

A. Make sure your replay database has the same structure as the capture database， except without data.
B. Make sure the replay and capture databases are similar in data content.
C. Perform a clean shutdown and restart of the capture database before beginning a workload capture.
D. Start the capture database in UNRESTRICTED mode， then start the capture.
E. Define inclusion and exclusion filters.

單項選擇題

What is the effect of increasing the value of the ASM_POWER_LIMIT parameter?（）

A. The number of DBWR processes increases
B. The number of ASMB processes increases
C. The number of DBWR_TO_SLAVES increases
D. The rebalancing operation in an ASM instance completes more quickly, but can result in higher I/O overhead

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你可能感興趣的試題

Which of these recommendations should be followed before capturing a workload？（）

What is the effect of increasing the value of the ASM_POWER_LIMIT parameter?（）

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Which of these recommendations should be followed before capturing a workload？（）