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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. You suspect unauthorized data manipulation language (DML) operations on a particular table. You want to track users who are performing the transactions and the values used in the transactions. Also, you plan to transfer these values to another table for analysis. How would you achieve this?

A) by using triggers
B) by using anonymous PL/SQL blocks
C) by auditing all DML operations on the table
D) by using external tables

2. Your alert log file has the following information:
Tue May 25 17:43:38 2004
ORA-00060: Deadlock detected. More info in file /u01/app/oracle/admin/ORCL/udump/orcl_ora_3173.trc.
What would you do to ensure that database is still running correctly?

A) examine the trace file for details and remember that deadlocks are resolved automatically by Oracle database
B) examine the trace file and kill both the sessions responsible for the deadlock
C) examine the trace file and kill the session that caused the deadlock
D) examine the trace file for details and ask the user who caused the deadlock to roll back the transaction
E) examine the trace file for details and use the Undo Advisor to rollback the transaction that caused the deadlock

3. Which three descriptions are correct about the effects of the TRUNCATE command on a table? (Choose three.)

A) The child table is truncated when the TRUNCATE command is applied on the parent table.
B) Delete triggers on the table are fired during the execution of the TRUNCATE command.
C) Very little or no undo data is generated during the execution of the TRUNCATE command.
D) The high-water mark (HWM) is set to point to the first useable data block in the table segment.
E) The corresponding indexes for the table are also truncated.

4. View the Exhibit.
Which statement regarding the dept and emp tables is true?

A) When you delete a row from the dept table, you would receive a constraint violation error.
B) When you delete a row from the emp table, automatically the corresponding rows are deleted from the dept table.
C) When you delete a row from the emp table, you would receive a constraint violation error.
D) When you delete a row from the dept table, automatically the corresponding rows are deleted from the emp table.
E) When you delete a row from the dept table, automatically the corresponding rows are updated with null values in the emp table.
F) When you delete a row from the emp table, automatically the corresponding rows are updated with null values in the dept table.

5. You have to shut down the database instance with the ABORT option because of a hardware failure. Which statement is true about the subsequent opening of the database?

A) The database would not open, and it would stop at mount stage.
B) The database would open normally.
C) The database would open after automatically performing instance recovery.
D) The database would not open, and you have to perform database recovery to open it.

Solutions: