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Oracle database 10g:Administration I Sample Questions:

1. Which two operations require undo data? (Choose two.)

A) committing a transaction
B) recovering from failed transactions
C) recording a transaction to redo log files
D) rolling back a transaction
E) rolling forward during instance recovery

2. Which is the memory area that is created when a dedicated server process is started, and contains data and control information for that server process?

A) PGA
B) Streams Pool
C) Shared Pool
D) SGA

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

4. View the Exhibit to observe the roles assigned to the SCOTT user.
Which statement is true about the assignment of the SELECT_CATALOG_ROLE role to the SCOTT user?

A) The user needs to enable the role explicitly.
B) The user can grant the role to other users.
C) The user cannot use the role at all.
D) The user can start using the role immediately.

5. View the Exhibit and analyze the CREATE TABLE statements used to create the ITEMS and ORDERS tables.
The ITEMS table has 50 rows and ORDERS table has 500 rows. Because you decide to not deal with the item code 188 in future, you execute the following command to remove the item:
SQL> DELETE FROM items WHERE item_code=188;
What is the effect of this command?

A) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the foreign key constraint is disabled in the ORDERS table.
B) The command fails with integrity violation error.
C) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the dependent rows in the ORDERS table are also deleted automatically.
D) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the dependent rows in the ORDERS table are populated with
NULL values in their ITEM_CODE columns.

Solutions: