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IBM Assessment: DB2 9 Family Fundamentals Sample Questions:
1. An alias can be an alternate name for which two of the following DB2 objects?
A) Sequence
B) Schema
C) Trigger
D) View
E) Table
2. Which of the following isolation levels will lock all rows scanned to build a result data set?
A) Cursor Stability
B) Read Stability
C) Repeatable Read
D) Uncommitted Read
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 (DEFAULT, 'Smith', 2, '10/07/2002', 80250.00)
C) INSERT INTO employee VALUES (DEFAULT, 'Smith', 10, '11/18/2004', 60250.00)
D) INSERT INTO employee VALUES (15, 'Smith', 5, '01/22/2004', 92500.00)
4. Given the following two tables:
EMPLOYEE
ID NAME DEPTID
01 Mick Jagger 10 02 Keith Richards 20 03 Ronnie Wood 20 04 Charlie Watts 20 05 Bill Wyman 30 06 Brian Jones
DEPARTMENT
ID DEPTNAME
10 Executive Staff 20 Sales 30 Marketing 40 Engineering 50 Human Resources
Which two of the following queries will display the employee name and department name for all employees that are in Sales?
A) SELECT e.name,d.deptname FROM employee e RIGHT OUTER JOIN department d ON e.deptid = d.id
WHERE d.id = '20'
B) SELECT e.name,d.deptname FROM employee e, department d WHERE e.deptid = d.id AND d.id = '20'
C) SELECT e.name,d.deptname FROM employee e LEFT OUTER JOIN department d ON e.deptid = d.id WHERE d.id = '20'
D) SELECT e.name,d.deptname FROM employee e FULL OUTER JOIN department d ON e.deptid = d.id WHERE d.id = '20'
E) SELECT e.name,d.deptname FROM employee e INNER JOIN department d ON e.deptid = d.id WHERE d.id = '20'
5. When does a view get populated?
A) When it is referenced in an INSERT statement
B) When it is created
C) Any time an executable SQL statement references it
D) The first time any executable SQL statement references it
Solutions:
| Question # 1 Answer: D,E | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: C,E | Question # 5 Answer: C |




