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

1. 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, C3 and C4 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, c4);
B) CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3, c4);
C) CREATE UNIQUE INDEX xtab1 ON tab1 (c3) INCLUDE (c1, c2, c4);
D) CREATE UNIQUE INDEX xtab1 ON tab1 (c4, c3, c2, c1);

2. A database and a table space were created using the following commands:

Afterwards, two tables were created in table space TBSP1 and both tables were populated with 100,000 rows. If a DBA decides that database MYDB should use automatic storage, which command(s) are needed to convert both the database and table space TBSP1?

A) ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2?
B) ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2?
C) ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
D) ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;

3. A Windows user with a local database is not able to connect to a zOS database. The System Database Directory and the Node Directory have the correct entries. Other users can connect to the database from their workstations without problems. What should be done resolve the problem?

A) Catalog the zOS database in the Database Connection Services Directory.
B) Catalog the zOS database in the Local Database Directory.
C) Catalog the zOS database in the Distributed Data Facility Directory.
D) Uncatalog and re-catalog the directory entries for the zOS database and try again.

4. Setting the DB2_FMP_COMM_HEAPSZ=0 will result in which the following?

A) User-defined function calls will be disabled.
B) In a partitioned environment, communications will not be buffered.
C) Non-fenced routines can be invoked, however automatic database maintenance will be disabled.
D) In a partitioned environment, infinite communications will be enabled between partitions.

5. Given the following statement: Which statement will successfully add a new partition to table T1 for April 2010?

A) Export data from the main partitioned table; create a table with the same definition as the partitioned table; attach to the main partitioned table; import data into the main partitioned table; run the SET INTEGRITY statement.
B) Create a table with the same definition as the partitioned table; attach to the main partitioned table; data will be automatically redistributed across all table partitions.
C) Create a table with the same definition as the partitioned table; load the new table with data; attach the new table to the main partitioned table; run the SET INTEGRITY statement.
D) Export data from the main partitioned table; drop the main partitioned table; create the main partitioned table with new partitioning range; import data into the main partitioned table.

Solutions: