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IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

1. A journaling application inserts data with continually increasing sequential keys while a clean up process randomly deletes erroneous rows. What can be done to maximize insert performance?

A) Issue an ALTER TABLESPACE EXTEND statement.
B) Issue a db2set DB2MAXFSCRSEARCH=1024 command.
C) Issue a db2set DB2SKIPDELETED=ON command.
D) Issue an ALTER TABLE APPEND ON statement.

2. When an agent that is connected to the database finishes its work of successfully processing a query, what happens to the agent?

A) It terminates immediately.
B) It remains active as long as the MAXAGENTS setting is not exceeded.
C) It automatically releases the database connection and returns to the pool.
D) It is placed in the agent pool if the connection is terminated.

3. A database recovery operation (RECOVER DATABASE) failed during the roll forward phase. The DBA wants to force the RECOVER DATABASE to redo the restore phase. What must occur to accomplish this?

A) The RECOVER DATABASE operation must be terminated and a new RECOVER DATABASE command must be issued.
B) A RECOVER DATABASE command must be re-issued with the REPLACE option specified.
C) A RECOVER DATABASE command must be issued with the TO END OF LOGS option specified.
D) A RECOVER DATABASE command must be issued with the RESTART option specified.

4. A table named TAB_A was created with the COMPRESS YES option specified and populated with 100,000 rows. If a DBA wants to create an index on table TAB_A, which statement is true?

A) The index will automatically be compressed since the table it is associated with is compressed; the ALTER INDEX command does not have to be executed.
B) In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option in the CREATE INDEX statement used to create it; however, the index will not be compressed until the ALTER INDEX command is used to create an index compression dictionary.
C) In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option with the CREATE INDEX statement that is used to create it.
D) The index will automatically be enabled for compression because the associated table is compressed; however, the index will not be compressed until it is REORGed.

5. Which option of the REORG TABLE statement will release blocks that contain no rows from a multi-dimensional clustering (MDC) table?

A) RECLAIM FREE BLOCKS
B) RELEASE FREE BLOCKS ONLY
C) RECLAIM EXTENTS ONLY
D) RELEASE FREE EXTENTS ONLY

Solutions: