IBM Assessment: DB2 9 Family Fundamentals - A2090-730

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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. Given the following tables:
YEAR_2006
EMPID NAME
1 Jagger, Mick 2 Richards, Keith 3 Wood, Ronnie 4 Watts, Charlie 5 Jones, Darryl 6 Leavell, Chuck
YEAR_1962
EMPID NAME
1 Jagger, Mick 2 Richards, Keith 3 Jones, Brian 4 Wyman, Bill 5 Watts, Charlie 6 Stewart, Ian
If the following SQL statement is executed, how many rows will be returned?
SELECT name FROM year_2007 UNION ALL SELECT name FROM year_1962

A) 9
B) 10
C) 12
D) 6

2. Given the following UPDATE statement:
UPDATE employees SET workdept =
(SELECT deptno FROM department WHERE deptno = 'A01')
WHERE workdept IS NULL
Which of the following describes the result if this statement is executed?

A) The statement will fail because an UPDATE statement cannot contain asubquery.
B) The statement will succeed; if the data retrieved by thesubquery contains multiple records, only the first record will be used to perform the update.
C) The statement will only succeed if the data retrieved by thesubquery does not contain multiple records.
D) The statement will only succeed if every record in the EMPLOYEES table has a null value in the WORKDEPT column.

3. A stored procedure has been created with the following statement:
CREATE PROCEDURE proc1 (IN var1 VARCHAR(10), OUT rc INTEGER) SPECIFIC myproc LANGUAGE SQL ...
What is the correct way to invoke this procedure from the command line processor (CLP)?

A) RUN proc1 (SALES, ?)
B) CALLmyproc ('SALES', ?)
C) CALL proc1 (SALES, ?)
D) CALL proc1 ('SALES', ?)

4. A database named TEST_DB resides on a z/OS system and listens on port 446. The TCP/IP address for this system is 192.168.10.20 and the TCP/IP host name is MYHOST. Which of the following commands is required to make this database accessible to a Linux client?

A) CATALOG TCPIP NODEzos_srvr REMOTE myhost SERVER 446;
CATALOG DATABASE zos_db AS test_db AT NODE zos_srvr;
CATALOG DCS DATABASE zos_db AS test_db;
B) CATALOG TCPIP NODEzos_srvr REMOTE myhost SERVER 192.168.10.20;
CATALOG DCS DATABASE zos_db AS test_db AT NODE zos_srvr;
C) CATALOG TCPIP NODEzos_srvr REMOTE myhost SERVER 192.168.10.20;
CATALOG DATABASE zos_db AS test_db AT NODE zos_srvr;
CATALOG DCS DATABASE zos_db AS test_db;
D) CATALOG TCPIP NODEzos_srvr REMOTE myhost SERVER 446;
CATALOG DCS DATABASE zos_db AS test_db AT NODE zos_srvr;

5. Which object may be used during query optimization to improve the performance for a subset of SELECT queries?

A) MQT
B) Read Only Cursor
C) Stored Procedure
D) Trigger

Solutions: