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IBM DB2 9.7 Database Administrator for Linux UNIX or Windows Upgrade Sample Questions:

1. If table TAB_A is created as follows:

Assuming the cardinality of the columns is the same, which statement will create an index that will benefit the most from compression?

A) ALTER TABLE tab_a ADD PRIMARY KEY (c1)
B) CREATE UNIQUE INDEX taba_idx ON tab_a (c2)
C) CREATE INDEX taba_idx ON tab_a (c2)
D) CREATE INDEX taba_idx ON tab_a (c4)

2. If DB2 load operation is performed against a table which contains at least one XML column, which statement is true?

A) One compression dictionary is built for both relational data and for XML data.
B) One compression dictionary is built for relational data and one compression dictionary is built for the XML data.
C) One compression dictionary is built for relational data, one compression dictionary is built for XML data, and one compression dictionary is built for both relational and XML data.
D) One compression dictionary is built for relational data, XML data is not compressed.

3. The SAMPLE database is backed up and the recovery logs are included in the backup image. Which of the following actions is required to restore the database to the end of the backup?

A) RESTORE DB sample;
ROLLFORWARD DB sample TO END OF BACKUP AND COMPLETE;
B) RESTORE DB sample TO END OF BACKUP AND STOP;
C) RECOVER DB sample TO END OF BACKUP;
ROLLFORWARD DB sample AND COMPLETE;
D) RECOVER DB sample TO END OF BACKUP;

4. Which command will enable reads on an High Availability and Disaster Recovery (HADR) standby server?

A) db2set DB2_HADR=ROS
B) db2set DB2_HADR=STANDBY
C) db2set DB2_HADR_READ=STANDBY
D) db2set DB2_HADR_ROS=ON

5. Table TAB_A and index TABA_IDX were created by executing these SQL statements:

If this SQL statement is executed after 100,000 records have been inserted into table TAB_A:
ALTER INDEX taba_idx COMPRESS NO;
Which statement correctly describes what will happen to index TABA_IDX?

A) The index will be uncompressed immediately.
B) The index will remain compressed until the COMPRESS attribute for table TAB_A has been set to NO and both the table and the index have been REORGed.
C) The index will remain compressed until it is REORGed.
D) The index will remain compressed until the COMPRESS attribute for table TAB_A has been set to NO.

Solutions: