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IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
1. A batch application updates a large number of rows within a single transaction. What is one way to help the application complete quickly?
A) Code the application to issue a LOCK ROW statement.
B) Increase the size of the lock list.
C) Code the application to issue a LOCK TABLE statement.
D) Increase the group commit count.
2. What are the steps required to remove July 2005 data from a partitioned table and replace with it with July 2010 data?
A) 1) Detach partition containing July 2005 data 2) Load July 2010 data into a new table 3) Attach the new table as a new partition in the existing partitioned table 4) Check constraint integrity for the partitioned table
B) 1) Detach partition containing July 2005 data 2) Load July 2010 data into a new table 3) Attach the new table as a new partition in the existing partitioned table 4) Rebind the partitioned table
C) 1) Detach partition containing July 2005 data 2) Load July 2010 data into a new table 3) Attach the new table as a new partition in the existing partitioned table 4) Reorg the partitioned table
D) 1) Detach partition containing July 2005 data 2) Load July 2010 data into a new table 3) Attach the new table as a new partition in the existing partitioned table 4) Update statistics on the partitioned table
3. How can you change an existing non-partitioned index for a partitioned table to a partitioned index?
A) Use the REORG INDEX command.
B) Use the ALTER INDEX and REORG INDEX commands.
C) Use the DROP INDEX and CREATE INDEX commands.
D) Use the ALTER INDEX command.
4. Given a newly created database and sufficient memory. If the following statements are successful: CREATE BUFFERPOOL bp1 SIZE 40MB; CREATE BUFFERPOOL bp2 PAGESIZE 16K SIZE 40000; How much memory will be allocated for buffer pools BP1 and BP2?
A) 40MB
B) 80MB
C) 680MB
D) 665MB
5. Click the Exhibit button.
Refer to the table definition shown in the exhibit.
Which will improve performance based on the query SELECT c6, c9 FROM tab3 WHERE c9 = 123456?
A) CREATE INDEX idx98 ON tab3 (c6 ASC); CREATE INDEX idx99 ON tab3 (c9 DESC); RUNSTATS ON TABLE myschema.tab3;
B) CREATE INDEX idx99 ON tab3 (c2 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;
C) CREATE INDEX idx99 ON tab3 (c6 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;
D) CREATE INDEX idx98 ON tab3 (c2 ASC, c6 ASC); CREATE INDEX idx99 ON tab3 (c2 ASC, c9 ASC); RUNSTATS ON TABLE myschema.tab3;
Solutions:
Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: A |