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

1. Which option of the ALTER TABLE statement tells the DB2 optimizer to use an index scan on a table that might vary in size at run time from being empty to containing a large number of rows?

A) INDEXSCAN
B) VOLATILE
C) CARDINALITY VOLATILE
D) CURRENT CARDINALITY

2. A database recovery operation (RECOVER DATABASE) failed during the roll forward phase. The DBA wants to force the RECOVER DATABASE to redo the restore phase. What must occur to accomplish this?

A) A RECOVER DATABASE command must be issued with the TO END OF LOGS option specified.
B) A RECOVER DATABASE command must be re-issued with the REPLACE option specified.
C) The RECOVER DATABASE operation must be terminated and a new RECOVER DATABASE command must be issued.
D) A RECOVER DATABASE command must be issued with the RESTART option specified.

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

4. The RECOVER command is used in an attempt to fix a damaged table space. What will the system do during the RECOVER process?

A) Restore the database and bypass inaccessible containers and make the rest of the table space available.
B) Restore the database and attempt to make as much of the database available as possible.
C) Prompt the user for new container definitions for damaged or missing containers.
D) Create a new temporary table space if the damaged table space is a temporary table space.

5. What determines the degree of inter-partition parallelism used?

A) The number of database connections and the definition of partitions groups.
B) The number of database partitions and the definition of partition groups.
C) The value of the INTER_PARALLEL Database Manager configuration parameter.
D) The value of the DFT_DEGREE database configuration parameter.

Solutions: