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

1. A journaling application inserts data with continually increasing sequential keys while a clean up process randomly deletes erroneous rows. What can be done to maximize insert performance?

A) Issue an ALTER TABLE APPEND ON statement.
B) Issue a db2set DB2SKIPDELETED=ON command.
C) Issue a db2set DB2MAXFSCRSEARCH=1024 command.
D) Issue an ALTER TABLESPACE EXTEND statement.

2. 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 (yearmonth) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year))
B) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (yearmonth) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (year))
C) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (yearmonth))
D) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (yearmonth))

3. At which two levels can events be audited? (Choose two.)

A) Instance level
B) Server level
C) Database level
D) Operating System level
E) Node level

4. If you know that the table space containers for your database reside on RAID-5 3+p arrays, which registry variable should be assigned the value *:3 to help improve performance?

A) DB2_APM_PERFORMANCE
B) DB2_PARALLEL_IO
C) DB2_EXTENDED_IO_FEATURES
D) DB2_RESOURCE_POLICY

5. 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 20000 PAGESIZE 4k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;
B) CREATE BUFFERPOOL bp1 size 25000 PAGESIZE 32k;
C) CREATE BUFFERPOOL bp1 size 10000 PAGESIZE 8k;
D) CREATE BUFFERPOOL bp1 size 5000 PAGESIZE 16k; ALTER TABLESPACE tempspace1 BUFFERPOOL bp1;

Solutions: