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Oracle database 10g:Administration I Sample Questions:

1. 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?

A) analyzed the EMPLOYEES table to collect the current statistics
B) moved the EMPLOYEES table to another location in the same tablespace
C) moved the indexes associated with the EMPLOYEES table to the same tablespace where the EMPLOYEES table exists
D) reorganized the associated indexes for the EMPLOYEES table that were in an unusable state
E) moved the EMPLOYEES table in to a locally managed tablespace

2. You execute the following command to audit the database activities:
SQL> AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL;
What is the effect of this command?

A) One audit record is created for the whole session if user SCOTT successfully drops one or more tables in his session.
B) One audit record is created for each successful DROP TABLE command executed in the session of SCOTT.
C) One audit record is generated for the session when SCOTT grants the DROP ANY TABLE privilege to other users in his session.
D) One audit record is created for every session when any user successfully drops a table owned by SCOTT.
E) One audit record is created for each successful DROP TABLE command executed by any user to drop tables owned by SCOTT.

3. You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task?

A) Load the data into your database by using the PARALLEL clause.
B) Upgrade the hardware/memory to accommodate the data.
C) Use an external table so you can have the metadata available in your database, but leave the data in the operating system files.
D) Give analysts DBA privilege, so that they can query DBA_EXTERNAL_TABLES.

4. After being hired as a database administrator, you find that there is only one database that is functional and that is being accessed by the applications. You want to create a replica of the database, to be used for testing purposes. What is the best method to create the replica?

A) use Database Configuration Assistant (DBCA) to create a template from the existing database to contain the database structure
B) create a database by using CREATE DATABASE .. command and manually copy the data
C) use DBCA to create a template from the existing database to contain the database structure and then manually copy the data using Oracle Data Pump
D) use DBCA to create a template from the existing database to contain the database structure with data files and then use the same template to create the database in the new location

5. Which statement regarding the contents of the V$PARAMETER view is true?

A) displays the list of all the parameter files of a database
B) displays only the list of all basic parameters
C) displays the currently in effect parameter values
D) displays only the list of default values
E) displays the current contents of the server parameter file
F) displays only the list of all advanced parameters

Solutions: