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

1. Which two operators would indicate inter-partition parallelism in an Optimizer Plan? (Choose two.)

A) IP
B) DTQ
C) LTQ
D) HSJOIN
E) BTQ

2. How can you change an existing non-partitioned index for a partitioned table to a partitioned index?

A) Use the ALTER INDEX command.
B) Use the DROP INDEX and CREATE INDEX commands.
C) Use the ALTER INDEX and REORG INDEX commands.
D) Use the REORG INDEX command.

3. Table T1 was created by executing the following statement:

Immediately after creation, table T1 was populated with 10 rows. Later, user USER1 ran an application that inserted 100,000 rows into table T1. The following query is frequently ran against the T1 table:
SELECT deptno, empno, deptname FROM t1 WHERE deptno = 'EN' AND empno = '123' Assuming current statics exist for the table and index, which index will provide optimal performance for this query?

A) CREATE INDEX idx1 ON t1 (deptno, empno)
B) CREATE INDEX idx1 ON t1 (deptno, empno) INCLUDE (deptname)
C) CREATE INDEX idx1 ON t1 (deptno)
D) CREATE INDEX idx1 ON t1 (deptno) INCLUDE (empno)

4. Assuming table TAB_A resides in a DB2 9.7 database, what is one way to obtain an estimate of how much space could be saved if this table were compressed?

A) The ADMIN_GET_TAB_INFO table function.
B) The ADMINGETTABCOMPRESSINFO_V97 table function.
C) The ADMIN_GET_TAB_COMPRESS_INFO_V97 table function.
D) The ADMINGETTABCOMPRESSINFO table function.

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

Solutions: