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IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:

1. The DBA needs to create a table with key columns YEARDAY, YEAR, and DAY. This table needs to be partitioned by column YEARDAY with three months per data partition. Additionally, data needs to be organized so that all rows within any three month date range are clustered together based on 12 months of data. Which CREATE TABLE statement will accomplish this objective?

A) CREATE TABLE tab1
(yearday INT,
year CHAR(2),
day INT))
PARTITION BY RANGE (yearday) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (day))
B) CREATE TABLE tab1
(yearday INT,
year CHAR(2),
day INT))
PARTITION BY RANGE (yearday) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year))
C) CREATE TABLE tab1
(yearday INT,
year CHAR(2),
day INT))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year, day))
D) CREATE TABLE tab1
(yearday INT,
year CHAR(2),
day INT))
PARTITION BY RANGE (yearday) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year, day))

2. 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) 665MB
C) 680MB
D) 80MB

3. Given a database created as follows:

If each table (T1 and T2) has 50,000 rows, which of the following commands will ensure that the temporary table created by the select statement will fit entirely in the buffer pool, assuming that there is a primary key/foreign key relationship between column C1 in table T1, and column C1 in table T2?

A) CREATE BUFFERPOOL bp1 size 10000 PAGESIZE 8k;
B) CREATE BUFFERPOOL bp1 size 25000 PAGESIZE 32k;
C) CREATE BUFFERPOOL bp1 size 5000 PAGESIZE 16k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;
D) CREATE BUFFERPOOL bp1 SIZE 20000 PAGESIZE 4k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;

4. Table TAB1 was created using the following statement:
CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT);
If column C1 is unique and queries typically access columns C1, C2 and C3 together, which statement(s) will create index(es) that will provide optimal query performance?

A) CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c2) INCLUDE (c3);
B) CREATE UNIQUE INDEX xtab1 ON tab1 (c2) INCLUDE (c1, c3);
C) CREATE UNIQUE INDEX xtab1 ON tab1 (c3, c2, c1);
D) CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3);

5. 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.

Solutions: