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Oracle database 10g:Administration I Sample Questions:

1. 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?

A) Use Enterprise Manager to create a new database with the Online Transaction Processing (OLTP) option.
B) Use the Database Configuration Assistant (DBCA) to create the database with Oracle-managed files.
C) Use the CREATE DATABASE .. command to create the database with Automatic Storage Management (ASM) file system.
D) Use the CREATE DATABASE .. command to create the database with Oracle-managed files.
E) Use Database Configuration Assistant (DBCA) to create the database with Transaction Processing template.

2. Your database is started by using the server parameter file (SPFILE). You issued this command to change the value of the LOG_BUFFER initialization parameter:
ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH;
What would be the outcome of this command?

A) The parameter value would be changed and it would come into effect immediately.
B) The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.
C) The command would return an error because LOG_BUFFER is a static parameter.
D) You need to restart the database so that parameter changes can come into effect.

3. The ST_INFO master table has millions of rows that are updated very rarely. It has a STATE_CODE column that contains the value for 25 states. The table is frequently queried on the STATE_CODE column. Which type of index would you suggest to improve the query performance?

A) reverse key
B) bitmap
C) function based
D) B-tree

4. You are working on an online transaction processing (OLTP) system. You notice that a PL/SQL procedure got executed twice at 2:00 p.m. This has incorrectly updated the EMP_SAL table. How would you revert the table to its state at 2:00 p.m.?

A) Issue the rollback statement with system change number (SCN).
B) Perform point-in-time recovery to 2:00 p.m.
C) Use Flashback Table feature to revert the changes.
D) Restore the entire database from the recent backup and open it.

5. Which three pieces of information are to be mandatorily provided while creating a new listener using Enterprise Manager Database Control? (Choose three.)

A) the server name where the listener runs
B) the port used by the listener
C) the protocol used by the listener
D) the log file and trace file destination for the listener
E) the database services to be registered with the listener

Solutions: