單項(xiàng)選擇題

Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors:

Which statement should you use to resolve this issue?（）

A. ALTER DATABASE DROP LOGFILE GROUP 1;
B.ALTER DATABASE CLEAR LOGFILE GROUP 1;
C. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
D. ALTER DATABASE DROP LOGFILE MEMBER 'D:\REDO01.LOG';

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單項(xiàng)選擇題

You plan to have a larger moving window size for the default system-defined moving window baseline because you want to use the adaptive threshold. Which statement factors in this consideration while increasing the size of the moving window?（）

A. The collection level for the AWR should be set to BASIC
B. The moving window size must be less than Undo Retention
C. The moving window size should be greater than the Automatic Workload Repository (AWR) retention period
D. The moving window size should be equal to or less than the Automatic Workload Repository (AWR) retention period

多項(xiàng)選擇題

While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（）

A. The plan baselines can be evolved over time to produce better performance.
B. The newly generated plans are directly placed into the SQL plan baseline without being verified.
C. The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.
D. The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.

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Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: Which statement should you use to resolve this issue?（）

你可能感興趣的試題

You plan to have a larger moving window size for the default system-defined moving window baseline because you want to use the adaptive threshold. Which statement factors in this consideration while increasing the size of the moving window?（）

While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements describe the consequences?（）

Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors:

Which statement should you use to resolve this issue?（）