單項(xiàng)選擇題

View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30 minutes, youexecuted the following command:
SQL> SELECT reason,metric_value FROM dba_outstanding_alerts; REASON METRIC_VALUE------------------------------ ---------------------- Tablespace [TEST] is [28 perce 28.125 nt] fullWhat could be the reason for the elimination of the other rows in the output（）

A.An Automatic Workload Repository snapshot has been taken recently.
B.The non-threshold-based alerts are transferred to DBA_ALERT_HISTORY.
C.The threshold alerts conditions are cleared and the alerts are transferred to DBA_ALERT_HISTORY.
D.The threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but notthe threshold alerts related to instance metrics

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多項(xiàng)選擇題

Which statements are true regarding a tablespace（）

A.It can span multiple databases.
B.It can consist of multiple data files.
C.It can contain blocks of different sizes.
D.It can contain segments of different sizes.
E.It can contain a part of a nonpartitioned segment

多項(xiàng)選擇題

Which statements are true regarding listeners（）

A.Listeners use only the TCP/IP protocol.
B.Multiple listener processes can run simultaneously on a host.
C.Multiple database instances can be registered with a single listener.
D.The listener-related errors can be traced only at the administrative level.
E.Only one database instance can be registered with a single listener at any time

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你可能感興趣的試題

Which statements are true regarding a tablespace（）

Which statements are true regarding listeners（）

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