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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

Question 1

Which of the following is a feature of a unit of work?

A. It applies to a single data server.
B. It begins when the application connects to the data server.
C. Its value can be queried from the system catalog tables.
D. It is a recoverable sequence of operations.

Question 2

A view is created with the following statement:
CREATE VIEW v1 AS SELECT col1, col2, col3, col4 FROM t1 WHERE col4 > 1000 WITH CHECK OPTION
What is the effect of the CHECK OPTION clause?

A. At view creation, DB2 will check the data in table T1, and if in any row doesn't meet the condition col4 > 1000, the view creation will be rejected.
B. Any row inserted or updated through view V1 must meet the condition that col4 > 1000 and no row in table T1 can be updated such that col4 <= 1000, but new rows in the table can be inserted with col4 <= 1000.
C. From now on, any row inserted or updated in table T1 must meet the condition that col4 > 1000, but existing rows in the table are not checked.
D. Any row inserted or updated through view V1 must meet the condition that col4 > 1000.

Question 3

If the following statement is executed:
CREATE TABLE employee
(empid INT NOT NULL GENERATED BY DEFAULT
AS IDENTITY (START WITH 1, INCREMENT BY 5),
name VARCHAR(20),
dept INT CHECK (dept BETWEEN 1 AND 20),
hiredate DATE WITH DEFAULT CURRENT DATE,
salary DECIMAL(7,2),
PRIMARY KEY(empid),
CONSTRAINT cst1 CHECK (YEAR(hiredate) > 2006 OR
Salary > 60500));
Which of the following INSERT statements will fail?

A. INSERT INTO employee VALUES (20, 'Smith', 5, NULL, 65000.00)
B. INSERT INTO employee VALUES (15, 'Smith', 5, '01/22/2004', 92500.00)
C. INSERT INTO employee VALUES (DEFAULT, 'Smith', 2, '10/07/2002', 80250.00)
D. INSERT INTO employee VALUES (DEFAULT, 'Smith', 10, '11/18/2004', 60250.00)

Question 4

Which of the following best describes the age of the data in an OLTP system?

A. Projected
B. Historical
C. Current and projected
D. Current

Question 5

A table called DEPARTMENT has the following columns: DEPT_ID DEPT_NAME MANAGER Which of the following statements will ONLY allow user USER1 to modify the DEPT_NAME column?

A. GRANT UPDATE ON TABLE department TO user1
B. GRANT ALTER (dept_name) ON TABLE department TO user1
C. GRANT ALTER ON TABLE department TO user1
D. GRANT UPDATE (dept_name) ON TABLE department TO user1

Solutions: