IBM DB2 9 Family Fundamentals : C2090-730

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IBM DB2 9 Family Fundamentals Sample Questions:

1. What is the maximum size that can be specified when creating an XML column in a DB2 table?

A) The extent size for the table space
B) The buffer pool size
C) The page size for the table space
D) No size is specified

2. Given the following two tables:
NAMES
NAME NUMBER
Wayne Gretzky 99 Jaromir Jagr 68 Bobby Orr 4 Bobby Hull 23 Mario Lemieux 66
POINTS
NAME POINTS
Wayne Gretzky 244 Bobby Orr 129 Brett Hull 121 Mario Lemieux 189 Joe Sakic 94
How many rows would be returned using the following statement?
SELECT name FROM names, points

A) 25
B) 0
C) 5
D) 10

3. Given the following data:
TAB1
C1 C2
200 abc 250 abc 150 def 300 ghi 175 def
If the following query is executed:
WITH subset (col1, col2) AS (SELECT c1, c2 FROM tab1 WHERE c1 > 150) SELECT col2, SUM(col1) AS col1_sum FROM subset GROUP BY col2 ORDER BY col2
Which of the following result data sets will be produced?

A) COL2 COL1_SUM
abc 450 def 325 ghi 300 3 record(s) selected.
B) COL2 COL1_SUM
abc 450 def 175
ghi 300
3 record(s) selected.
C) COL2 COL1_SUM
abc 200 abc 250 def 175 ghi 300 4 record(s) selected.
D) COL2 COL1_SUM
abc 450 abc 450 def 175 def 175 ghi 300 5 record(s) selected.

4. What type of constraint can be used to ensure that, in any given row in a table, the value of one column never exceeds the value of another column?

A) Informational
B) Check
C) Referential
D) Range

5. Which of the following statements eliminates all but one of each set of duplicate rows in the DEPT column in the STAFF table?

A) SELECT UNIQUE dept FROM staff
B) SELECT (dept) UNIQUE FROM staff
C) SELECT DISTINCT dept FROM staff
D) SELECT (dept) DISTINCT FROM staff

Solutions: