多項選擇題

For which two situations would you use functionality provided by the Resource Manager? （）(Choose two.)

A. setting idle timeout limits on resource plans
B. saving storage space by using compressed backup sets
C. creating jobs that will run automatically at a scheduled time
D. assigning priorities to jobs to manage access to system resources
E. creating alerts to perform notification when tablespaces are low on available space resources

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單項選擇題

You opened the encryption wallet and then issued the following command：
SQL>CREATE TABLESPACE securespace DATAFILE ’/home/user/oradata/secure01.dbf’ SIZE 150M
ENCRYPTION USING ’3DES168’ DEFAULT STORAGE（ENCRYPT）；
Then you closed the wallet. Later， you issued the following command to create theEMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column.
What is the outcome？（）

A. It creates the table and encrypts the data in it.
B. It generates an error because the wallet is closed.
C. It creates the table but does not encrypt the data in it.
D. It generates an error because the NO SALT option cannot be used with the ENCRYPT option.

多項選擇題

Which statements are true regarding table compression? （）(Choose all that apply.)

A. It saves disk space and reduces memory usage.
B. It saves disk space but has no effect on memory usage.
C. It incurs extra CPU overhead during DML as well as direct loading operations.
D. It incurs extra CPU overhead during DML but not direct loading operations.
E. It requires uncompress operation during I/O.

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For which two situations would you use functionality provided by the Resource Manager? （）(Choose two.)

你可能感興趣的試題

Which statements are true regarding table compression? （）(Choose all that apply.)

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