單項(xiàng)選擇題

The instance abnormally terminates because of a power outage.
Which statement is true about redo log filesduring instance recovery（）

A.Inactive and current redo log files are required to accomplish recovery.
B.Online and archived redo log files are required to accomplish instance recovery.
C.All redo log entries after the last checkpoint are applied from redo log files to data files.
D.All redo log entries recorded in the current redo log file until the checkpoint position are applied to data files

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單項(xiàng)選擇題

Examine the command：
SQL> DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’， ’false’）；
Which statementdescribes the effect of the above command（）

A.Automatic statistics collection is stopped for the CUSTOMERS table.
B.Statistics for the CUSTOMERS table are locked and cannot be overwritten.
C.Existing statistics for the CUSTOMERS table become unusable for the query optimizer.
D.Subsequently， statistics gathered on the CUSTOMERS table are stored as pending statistics

單項(xiàng)選擇題

You are installing Oracle Database 11g on a machine. When you run the installer， the Oracle Universal Installer（OUI） shows the message that says one of the product-specific prerequisite checks has failed：Checking available swap space requirements ...Expected result： 1512MBActual Result： 1018MB
Check complete. The overall result of this check is： Failed <<<< Problem： The system does not have therequired swap space.
What happens to the installation in this situation（）

A.It can be continued.
B.It resizes the swap space automatically when you proceed further.
C.It can be continued， but the instance cannot be started without increasing the swap space.
D.It shows a message saying one or more prerequisite checks have failed and the installation cannot proceed

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The instance abnormally terminates because of a power outage. Which statement is true about redo log filesduring instance recovery（）

你可能感興趣的試題

Examine the command： SQL> DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’， ’false’）； Which statementdescribes the effect of the above command（）

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The instance abnormally terminates because of a power outage.
Which statement is true about redo log filesduring instance recovery（）

Examine the command：
SQL> DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’， ’false’）；
Which statementdescribes the effect of the above command（）