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IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. Which of the following is used to create and debug user-defined functions?

A) SQL Assist
B) Command Editor
C) Control Center
D) Developer Workbench

2. Given the following two tables:
TAB1
COL_1 COL_2
A 10 B 12 C 14
TAB2
COL_A COL_B
A 21 C 23 D 25
Assuming the following results are desired:
COL_1 COL_2 COL_A COL_B A 10 A 21 B 12 - C 14 C 23 - - D 25
Which of the following joins will produce the desired results?

A) SELECT * FROM tab1 LEFT OUTER JOIN tab2 ON col_1 =col_a
B) SELECT * FROM tab1 INNER JOIN tab2 ON col_1 =col_a
C) SELECT * FROM tab1 FULL OUTER JOIN tab2 ON col_1 =col_a
D) SELECT * FROM tab1 RIGHT OUTER JOIN tab2 ON col_1 =col_a

3. Assuming PUBLIC has been granted all privileges on table T1, which of the following statements would continue to permit any user to add rows to table T1, but not remove them?

A) REVOKE DELETE ON t1 FROM PUBLIC
B) REVOKE DROP ON t1 FROM PUBLIC
C) REVOKE UPDATE ON t1 FROM PUBLIC
D) REVOKE CONTROL ON t1 FROM PUBLIC

4. Which of the following DB2 data types does NOT have a fixed length?

A) DOUBLE
B) XML
C) CHAR
D) INT

5. Given the following table:
EMPLOYEE
EMPID NAME INSTRUMENT
1 Jagger, Mick 01
2 Richards, Keith 02
3 Wood, Ronnie 02
4 Watts, Charlie 03
5 Jones, Darryl 04
6 Leavell, Chuck 05
If the following query is executed:
SELECT name,
CASE WHEN instrument = '01' THEN 'HARMONICA'
WHEN instrument = '02' THEN 'GUITAR'
WHEN instrument = '03' THEN 'DRUMS'
ELSE 'UNKNOWN'
END AS instrument
FROM employee
What will be the results?

A) NAME INSTRUMENT
Jagger, Mick HARMONICA Richards, Keith GUITAR Wood, Ronnie GUITAR Watts, Charlie DRUMS Jones, Darryl UNKNOWN Leavell, Chuck UNKNOWN
B) NAME INSTRUMENT
Jagger, Mick HARMONICA Richards, Keith GUITAR Wood, Ronnie GUITAR Watts, Charlie DRUMS Jones, Darryl 04 Leavell, Chuck 05
C) NAME INSTRUMENT
Jagger, Mick HARMONICA Richards, Keith GUITAR Wood, Ronnie GUITAR Watts, Charlie DRUMS Jones, Darryl -Leavell, Chuck
D) NAME INSTRUMENT
Jagger, Mick HARMONICA Richards, Keith GUITAR Wood, Ronnie GUITAR Watts, Charlie DRUMS Jones, Darryl ERROR Leavell, Chuck ERROR

Solutions: