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

1. Click the Exhibit button.

In a DB2 Connect scenario between a Windows client and a z/OS server, the commands in the exhibit produced an SQL30061N error while trying to connect to the BIGDB001 database in the DB2T subsystem on the z/OS server: SQL30061N The database alias or database name name was not found at the remote node.
Explanation:
The database name is not an existing database at the remote database node. The statement cannot be processed. The z/OS DBA has confirmed that the LOCATION NAME is DB2T. Which change would enable the command in the exhibit to execute correctly?

A) CATALOG DCS DATABASE dsample AS db2t
B) CATALOG DATABASE bigdb001 AS dsample AT NODE db2t AUTHENTICATION DCS
C) CATALOG DCS DATABASE db2t AS dsample
D) CATALOG DATABASE db2t AS dsample AT NODE node001 AUTHENTICATION DCS

2. 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) CURRENT CARDINALITY
B) CARDINALITY VOLATILE
C) INDEXSCAN
D) VOLATILE

3. 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) 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.
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) 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.

4. Which conditions must be met to implement HADR?

A) Operating systems on primary and standby servers need not be the same; DB2 versions must be the same; and the databases need not have the same bit-size (32 or 64 bit).
B) Operating systems on primary and standby servers must be the same; DB2 versions must be the same; and the databases must have the same bit-size (32 or 64 bit).
C) Operating systems on primary and standby servers must be the same; DB2 versions must be the same; and the databases need not have the same bit-size (32 or 64 bit).
D) Operating systems on primary and standby servers must be the same; DB2 versions need not be the same; and the databases must have the same bit-size (32 or 64 bit).

5. Click the Exhibit button.

Refer to the table definition shown in the exhibit.
Which will improve performance based on the query SELECT c6, c9 FROM tab3 WHERE c9 = 123456?

A) CREATE INDEX idx98 ON tab3 (c2 ASC, c6 ASC); CREATE INDEX idx99 ON tab3 (c2 ASC, c9 ASC); RUNSTATS ON TABLE myschema.tab3;
B) CREATE INDEX idx98 ON tab3 (c6 ASC); CREATE INDEX idx99 ON tab3 (c9 DESC); RUNSTATS ON TABLE myschema.tab3;
C) CREATE INDEX idx99 ON tab3 (c2 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;
D) CREATE INDEX idx99 ON tab3 (c6 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;

Solutions: