최신Oracle database 10g:Administration I - 1Z0-042무료샘플문제
Which two statements are true about the Automatic Database Diagnostic Monitor (ADDM)? (Choose two.)
Users of HR schema complain about slower-than-normal performance. On investigation the DBA found that maintenance was recently performed on some of the tables. The DBA traced the query that takes longer than normal to execute.
View the Exhibit exhibit_before.
After the DBA resolves the problem, the query performs normally.
View the Exhibit exhibit_after.
What action would the DBA have taken to resolve the performance problem?

You want to create a new optimized database for your transactional production environment to be used by a financial application. While creating the database, you want the Oracle software to take care of all basic settings to optimize the database performance. Which method would you use to achieve this objective?
Which statement regarding the contents of the V$PARAMETER view is true?
Which two statements about bigfile tablespaces are true? (Choose two.)
Which two database operations can be performed at the MOUNT stage of database startup? (Choose two.)
You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?
The UNDO_RETENTION parameter in your database is set to 1000 and undo retention is not guaranteed. Which statement regarding retention of undo data is correct?
You want to move all the objects of the APPS user in the test database to the DB_USER schema of the production database. Which option of IMPDP would you use to accomplish this task?
You have a text file that maintains information on thousands of items. The end-user application requires the transfer of that information into a table in the database. What would you use to achieve this task? (Choose two.)
Which two statements are true about a bitmap index? (Choose two.)