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IBM A2090-544 Exam Syllabus Topics:

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

Question 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

Question 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

Question 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

Question 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

Question 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: