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Oracle database 10g:Administration I Sample Questions:

1. View the Exhibit to see the structure of the EMPLOYEES and DEPARTMENTS tables.
Your organization plans to dissolve the department with department ID 30. You execute the following command to delete rows from the DEPARTMENTS table: SQL>delete from DEPARTMENTS
where DEPT_ID = 30; The command fails and displays the following error: ERROR at line 1:
ORA-02292: integrity constraint (HR.SYS_C005374) violated - child record found Which two actions would you take to overcome this error? (Choose two.)

A) first, drop the DEPARTMENTS table and then delete the rows from the EMPLOYEES table
B) first, drop the EMPLOYEES table and then delete the rows from the DEPARTMENTS table
C) first, delete all of the rows from EMPLOYEES table and then delete the rows from the DEPARTMENTS table for department id 30
D) alter the foreign key constraint to include the on delete cascade option
E) alter the foreign key constraint to include the cascade option
F) first, delete rows from the EMPLOYEES table for department id 30 and then delete the rows from the DEPARTMENTS table for department id 30

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

3. What is the implication of setting the initialization parameter FAST_START_MTTR_TARGET to 0 in your database?

A) Checkpoint information would not be written to the alert log file.
B) Redo Log Advisor would be disabled.
C) MTTR Advisor would be disabled.
D) Automatic tuning of checkpoint would be disabled.

4. A user complains about getting this error after issuing a certain SQL statement: ORA-02393: exceeded call limit on CPU usage Because of the error, the SQL statement gets aborted. What action would you take to
increase the CPU usage limit in the subsequent sessions of the user?

A) Modify the resource limit in the profile used by the user.
B) Set the RESOURCE_LIMIT initialization parameter to FALSE.
C) Increase the value of the SESSION_CACHED_CURSORS initialization parameter.
D) Increase the value of the SESSION_MAX_OPEN_FILES initialization parameter.

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

Solutions: