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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

Question 1

Given the following two tables:
NAMES NAME NUMBER
Wayne Gretzky 99 Jaromir Jagr 68 Bobby Orr 4 Bobby Hull 23 Brett Hull 16 Mario Lemieux 66 Mark Messier 11 POINTS NAME POINTS
Wayne Gretzky 244 Jaromir Jagr 168 Bobby Orr 129 Brett Hull 121 Mario Lemieux 189 Joe Sakic 94
Which of the following statements will display the player name, number, and points for all players that have scored points?

A. SELECT p.name,n.number, p.points FROM names n RIGHT OUTER JOIN points p ON n.name = p.name
B. SELECT p.name,n.number, p.points FROM names n FULL OUTER JOIN points p ON n.name = p.name
C. SELECT p.name,n.number, p.points FROM names n INNER JOIN points p ON n.name = p.name
D. SELECT p.name,n.number, p.points FROM names n LEFT OUTER JOIN points p ON n.name = p.name

Question 2

Application A holds an Exclusive lock on table TAB1 and needs to acquire an Exclusive lock on table TAB2. Application B holds an Exclusive lock on table TAB2 and needs to acquire an Exclusive lock on table TAB1. If lock timeout is set to -1 and both applications are using the Read
Stability isolation level, which of the following will occur?

A. Application B will read the copy of table TAB1 that was loaded into memory when Application A first read it
B. Applications A and B will cause a deadlock situation
C. Application B will read the data in table TAB1 and see uncommitted changes made by Application A
D. Application B will be placed in a lock-wait state until ApplicationA releases its lock

Question 3

A sequence was created with the DDL statement shown below:
CREATE SEQUENCE my_sequence CACHE 10 ORDER
The following statements are successfully executed in sequence through separate database connections:
CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar CONNECTION2 - VALUES NEXT VALUE FOR my_sequence INTO :con2hvar CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar
What is the current value of the :con1hvar host variable?

A. 30
B. 11
C. 3
D. 2

Question 4

In which of the following situations would DB2 retain resources associated with a transaction at COMMIT time?

A. The application program amends during COMMIT.
B. The transaction terminates abnormally during COMMIT.
C. A cursor is defined as WITH HOLD.
D. Another user executes the same transaction.

Question 5

A view is created with the following statement:
CREATE VIEW v1 AS SELECT col1, col2, col3 FROM t1 WHERE col4 > 1000 ;
When will DB2 access the data from table T1 for view V1?

A. When view V1 is created
B. Each time an SQL statement is executed against view V1
C. Each time the REFRESH VIEW v1 statement is executed
D. Only the first time an SQL statement is executed against view V1

Solutions: