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IBM DB2 9 Family Fundamentals Sample Questions:

1. Which of the following is the best statement to use to create a user-defined data type that can be used to store currency values?

A) CREATE DISTINCT TYPE currency AS SMALLINT
B) CREATE DISTINCT TYPE currency AS BIGINT
C) CREATE DISTINCT TYPE currency AS DOUBLE
D) CREATE DISTINCT TYPE currency ASNUMERIC(7,2)

2. If the following statement is executed:
CREATE TABLE tab1 (col1 INTEGER NOT NULL,
col2 INTEGER,
CONSTRAINT const1 FOREIGN KEY (col2)
REFERENCES tab1(col1));
How many unique indexes are defined for table TAB1?

A) 1
B) 2
C) 3
D) 0

3. A declared temporary table is used for which of the following purposes?

A) Backup purposes
B) Staging area for load operations
C) Sharing result data sets between applications
D) Storing intermediate results

4. Given that tables T1 and T2 contain the following rows:
Table T1: C1 C2
5 4 5 2 5 5 Table T2: C1 C2
5 1 5 2 5 3 Which of the following queries will return only those rows that exist in T1 and not in T2 ?

A) SELECT * FROM T1 EXCEPT SELECT * FROM T2
B) SELECT * FROM T2 UNION EXCEPT SELECT * FROM T1
C) SELECT * FROM T1 NOT EXISTS SELECT * FROM T2
D) SELECT * FROM T1 MINUS SELECT * FROM T2

5. The opening of cursor CSR01 produces the following result set:
STUDENT LASTNM FIRSTNM CLASSNO 123 Brown John T100 213 Bailey James T100 312 Carter Arlene T210 465 Chas Devon T305 546 Davis Steven T405
If this Fetch statement is executed:
FETCH csr01 INTO :studnum, :firstname, :lastname, :class
Which of the following DELETE statements will cause this row to be deleted?

A) DELETE FROM tab01 FOR CURRENT csr01 WITH RS
B) DELETE * FROM tab01 WHERE CURRENT csr01 WITH CS
C) DELETE ALL FROM tab01 FOR CURRENT OF csr01
D) DELETE FROM tab01 WHERE CURRENT OF csr01 WITH RR

Solutions: