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

1. A DBA wants to migrate a DB2 LUW 8.2.2 database to version 9.7 and plans to use currently committed (CC) semantics on an application-by-application basis. Which process will yield the desired results?

A) Set the DB2_USE_CC_SEMANTICS registry variable to YES, then migrate the database.
B) Migrate the database, then assign the value ON to the CURR_COMMIT configuration parameter.
C) Set the DB2_USE_CC_SEMANTICS registry variable to APPLICATION, then migrate the database.
D) Migrate the database, then assign the value AVAILABLE to the CURR_COMMIT configuration parameter.

2. Given INTRA_PARALLEL is OFF, average row length is 900 bytes, and temporary table cardinality is 1000, which setting would prevent a SORTHEAP overflow when the temporary table is sorted?

A) SORTHEAPTHRES 10000K
B) SORTHEAPTHRES 10000K, SORTHEAP 250K
C) SORTHEAP AUTOMATIC, SHEAPTHRES 10000K
D) SORTHEAP AUTOMATIC, SHEAPTHRES 0

3. A table named TAB_A was created with the COMPRESS YES option specified and populated with 100,000 rows. If a DBA wants to create an index on table TAB_A, which statement is true?

A) The index will automatically be compressed since the table it is associated with is compressed; the ALTER INDEX command does not have to be executed.
B) In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option in the CREATE INDEX statement used to create it; however, the index will not be compressed until the ALTER INDEX command is used to create an index compression dictionary.
C) In order for the index to be compressed, it must be enabled for compression by specifying the COMPRESS YES option with the CREATE INDEX statement that is used to create it.
D) The index will automatically be enabled for compression because the associated table is compressed; however, the index will not be compressed until it is REORGed.

4. An active partitioned instance named DB2INST1 uses the following db2nodes.cfg file:
1 server1 0
2 server1 1
3 server1 2
4 server1 3
The following command is issued to add a new database partition:
db2start DBPARTITIONNUM 5 ADD DBPARTITIONNUM HOSTNAME server1 PORT 4
Upon successful completion of the db2start command, which statement is true regarding the status of the instance DB2INST1?

A) All partitions are active but partition 5 is not available until a temporary table space is defined.
B) Partitions 1, 2, 3, 4, and 5 are active and available.
C) Partitions 1, 2, 3, and 4 are active, but partition 5 is not.
D) DB2 responds to the configuration change by stopping all partitions.

5. Given the following table definition in a multi-partitioned database:

Which column(s) will be chosen by DB2 as a distribution key (partitioning key)?

A) EMP_ID
B) SS_ID
C) NAME
D) SS_ID, EMP_ID, and NAME

Solutions: