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IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

1. The DBA needs to create a table with key columns YEARMONTH and YEAR. This table needs to be partitioned by column YEARMONTH with three months per data partition. Additionally, data needs to be organized by column YEAR, 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
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (yearmonth))
B) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (yearmonth))
C) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (yearmonth) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year))
D) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (yearmonth) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (year))

2. If table space TBSP1 is using automatic storage, and the existing storage paths are full, which command would increase the available storage?

A) ALTER DATABASE ADD STORAGE FOR tbsp1 ('/db2/filesystem1')
B) ALTER TABLESPACE tbsp1 EXTEND USING ('/db2/filesystem1')
C) ALTER DATABASE ADD STORAGE ON '/db2/filesystem1'
D) ALTER TABLESPACE tbsp1 ADD ('/db2/filesystem1')

3. A DBA migrating an existing database to DB2 9.7 wants to allow the primary and secondary recovery logs to be used with non-buffered IO. Which statement is true?

A) This behavior is automatically enabled by default.
B) The DB2_LOGGER_AUTO_BUFFERED registry variable must be set to YES.
C) The DB2_LOGGER_BUFFERED registry variable must be set to OFF.
D) The DB2_LOGGER_NON_BUFFERED_IO registry variable must be set to AUTO.

4. In which two environments would intra-partition parallelism be used? (Choose two.)

A) Single database partition, single processor core
B) Multiple database partitions, multiple processor cores
C) Multiple database partitions, single processor core
D) Single database partition, multiple processor cores

5. Which statement about compression and temporary tables is NOT correct?

A) When executing queries that require temporary tables, DB2 considers the storage savings and the impact to query performance to determine whether compression is worthwhile.
B) Compression is only applied to created temporary tables that were defined with the CREATE TEMPORARY TABLE ?COMPRESS YES statement.
C) The minimum size that a table must be before compression is used is larger for temporary tables than for regular tables.
D) The explain facility and the db2pd utility can be used to determine whether a temporary table has been compressed.

Solutions: