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

1. 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

2. Which option of the REORG TABLE statement will release blocks that contain no rows from a multi-dimensional clustering (MDC) table?

A) RECLAIM FREE BLOCKS
B) RELEASE FREE BLOCKS ONLY
C) RELEASE FREE EXTENTS ONLY
D) RECLAIM EXTENTS ONLY

3. What steps, in the correct order, are performed by the SQL and XQuery compilers to generate executable code for non-federated queries?

A) check semantics; parse query; build access plan; pushdown predicates; execute access plan
B) parse query; rewrite query; check semantics; pushdown predicates; execute access plan
C) check semantics; parse query; rewrite query; build access plan
D) parse query; check semantics; rewrite query; build access plan

4. A DBA would like to examine repartitioning options for a partitioned database named PRODDB. Which tool can be used to provide recommendations on re-partitioning?

A) Configuration Advisor
B) Workload Manager
C) Design Advisor
D) Partition Assistant

5. Which statement is correct about statistical views?

A) A statistical view provides the optimizer with additional correlation statistics.
B) A statistical view holds information about the system catalog statistical tables.
C) A statistical view provides the optimizer with more accurate cardinality estimates.
D) A statistical view is created by executing runstats on a regular view.

Solutions: