oracle dba quiz

1. You have assigned 10 tables to the keep pool. How should you determine the appropriate size for your keep pool?

2. You need to remove a column from the database. Which of the following choices best identifies how to do so if your objective is to quickly execute the task without necessarily freeing up space in your tablespace?

3. You are running Oracle in America in support of a financial analysis project for the government of Egypt. In order to produce reports that display money amounts as Egyptian pounds, rather than dollars, which of the following initialization parameters would be useful?

4. You are about to drop a tablespace. Which of the following statements can be used for dropping tablespaces that contain parent tables in foreign key relationships?

5. You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?

6. Which of the following operations do not require Oracle to store information in an undo segment as part of the transaction?

7. You want to find out the names and locations of all control files in your database. Which two of the following performance views would you query?

8. The DBA issues the following statement:
CREATE USER APPLDBA
IDENTIFIED BY APPLDBA;
What profile will user APPLDBA have?

9. You are analyzing the components of the redo log mechanisms in your Oracle database. Which of the following purposes does the CKPT process serve?

10. You attempt to issue the alter tablespace rename datafile command in the Oracle database. Which of the following choices indicates a step that must take place after this command is issued?

11. The location of indexes in a database and the size of those indexes is information that can be found in which of the following dictionary views?

12. Which one of the following statements is incorrect about direct-path insert operations?

13. A organization is taking online backups of the database, with the database operating in ARCHIVELOG mode. Due to a media failure they lost the SYSTEM tablespace data files. What must they do to recover the data files?

14. You are attempting to clear an unarchived redo log file. In order to manually enact a log switch, which of the following statements is appropriate?

15. You are processing an update statement. At what point in SQL statement processing is the data change actually made to block buffers?

16. A User accidentally drops a very critical table. What kind of failure just occurred?

17. Which of the following is the init.ora parameter that indicates the size of each buffer in the buffer cache?

18. Information in the buffer cache is saved back to disk in each of the following situations except one. In which situation does this not occur?

19. You are adding redo logs to the Oracle database. Creating a new redo log adds information to which of the following Oracle resources?

20. As the DBA, you are attempting to limit user's misuse of Oracle's ability to use host machine resources. Which of the following features of the Oracle database is useful for this purpose?

21. You are implementing control file multiplexing. Which of the following choices identifies how Oracle knows the locations of the control files it is supposed to maintain?

22. If you wished to make it so that every user in Oracle could have only one connection to the database at a time, which of the following choices identifies how you would do it?

23. Which of the following choices lists an alter user option that can be executed by the user herself or himself?

24. Which one of the following statements is incorrect with respect to RMAN's CROSSCHECK command?

25. You are performing the steps that will create your Oracle data dictionary. The objects in the Oracle data dictionary are part of which of the following schemas?

26. You issue the alter tablespace read only command against an Oracle database. Which of the following choices best describes what happens next?

27. To allocate another role to a user, which command is most appropriate?

28. After creating a new user for your Oracle database, a user still complains he or she cannot log in because of insufficient privileges errors. Which of the following actions should you take?

29. You issue the following statement in Oracle:
CREATE UNIQUE BITMAP INDEX empl_lastname_indx_01
ON employee (lastname ASC);
What is wrong with this statement for dictionary-managed tablespaces?

30. You are considering using the MTS architecture on the Oracle database. Session information when shared servers are being used is stored where in the Oracle database?

31. Records from the data dictionary information are stored in which of the following database memory areas?

32. When we issue the commit statement in the session, which of the following things will not occur?

33. A disk crashes that contains the only copies of all four of your online redo log files. How would you alter your Oracle database to prevent this from causing much damage in the future?

34. Which one of the following RMAN commands is equivalent to the SQL statement ALTER DATABASE RENAME FILE ?

35. Which of the following choices identifies a constraint on performing alter tablespace resize operation if the intended size of the tablespace is larger than the tablespace’ s current size?

36. You want to perform some maintenance and You issue the shutdown command at 9 p.m. on a Saturday. One hours later, the database is still in the process of shutting down. Which of the following options did you most likely use in order to shut down the database?

37. We are designing the physical database layout on your host machine. What is the relationship between tablespaces and datafiles in the Oracle database?

38. A DBA manages a database that is operating in NOARCHIVELOG mode. Which one of the following options should he include in his backup strategy?

39. You issue the following statement from SQL*Plus: startup mount. Where does Oracle obtain values for starting the instance?

40. Which Oracle background process is responsible for providing information about the instance name associated with the service handlers and services to the listener?