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IBM DB2 9.7 Advanced DBA for LUW Sample Questions:

1. Given a SHEAPTHRES value of 2560, in which two cases will a SHEAPTHRES_SHR value of 1024 be meaningful? (Choose two.)

A) MAX_AGENTS 100, MAX_CONNECTIONS 2000
B) INTRA_PARALLEL YES
C) MAX_CONNECTIONS 2000, MAX_COORDAGENTS 100
D) INTRA_PARALLEL NO
E) MAX_CONNECTIONS 500, MAX_COORDAGENTS 1000

2. While attempting to establish connectivity between a Windows client and a UNIX server, the following commands were issued from the Windows client:
CATALOG TCPIP NODE node001 REMOTE hostnm01 SERVER 50000;
CATALOG DATABASE samp001 AS samp001 AT NODE node001;
TERMINATE;
When trying to connect to the SAMP001 database the following error was received: SQL30061N The database alias or database name name was not found at the remote node.
The database name is not an existing database at the remote database node. The statement cannot be processed. What should be done resolve the problem?

A) Add a Database Connection Services entry to the /etc/services file on the Windows client.
B) Add an entry into the Database Connection Services directory on the Windows client.
C) Change the service name (SVCENAME) in the remote servers database configuration.
D) Match the port number in the CATALOG TCPIP NODE command with the port number in the /etc/services file on the remote server.

3. A DBA has configured an Oracle data source in a federated database (that references a table named ORA1). How do you update the statistics for table ORA1 at the federated server?

A) Perform the equivalent of RUNSTATS on ORA1 in Oracle; then drop and re-create the ORA1 nickname.
B) Perform the equivalent of RUNSTATS on ORA1 in Oracle.
C) Perform RUNSTATS on the ORA1 nickname at the federated server.
D) Perform the equivalent of RUNSTATS on ORA1 in Oracle; then perform RUNSTATS on the ORA1 nickname.

4. The DBA needs to create a table with key columns YEARMONTH and YEAR. This table needs to be partitioned by column YEARMONTH with three months per data partition. Additionally, data needs to be organized by column YEAR, so that all rows within any three month date range are clustered together based on 12 months of data. Which CREATE TABLE statement will accomplish this objective?

A) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (yearmonth) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (year))
B) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (yearmonth))
C) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (year) (STARTING 201001 ENDING 201012 EVERY 3)
ORGANIZE BY DIMENSIONS (yearmonth))
D) CREATE TABLE tab1
(yearmonth INT,
year CHAR(2))
PARTITION BY RANGE (yearmonth) (STARTING 201001 ENDING 201012 EVERY 12)
ORGANIZE BY DIMENSIONS (year))

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

Solutions: