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IBM Assessment: DB2 9 Family Fundamentals Sample Questions:
1. Given the following statements:
CREATE TABLE t1 (c1 INTEGER, c2 CHAR(5));
CREATE TABLE t1audit (user VARCHAR(20), date DATE, action
VARCHAR(20));
CREATE TRIGGER trig1 AFTER INSERT ON t1
FOR EACH ROW
MODE DB2SQL
INSERT INTO t1audit VALUES (CURRENT USER, CURRENT DATE,
'Insert');
If user USER1 executes the following statements:
INSERT INTO t1 VALUES (1, 'abc');
INSERT INTO t1 (c1) VALUES (2);
UPDATE t1 SET c2 = 'ghi' WHERE c1 = 1;
How many new records will be written to the database?
A) 0
B) 2
C) 4
D) 3
2. Consider the following table called EMPLOYEES:
ID FIRSTNAME LASTNAME JOB LEVEL
1 Paul Jones DBA 2 2 George Baker MGR 1 3 Roger Melvin CLERK 3 4 Jim Smith MGR 1 5 Kevin Street CLERK 3 6 Chris Eaton MGR 1
If the following SQL statement is executed, how many rows will be deleted? DELETE FROM employees WHERE 1 = 1
A) 1
B) 6
C) 0
D) 3
3. Given the following table definitions:
EMPLOYEE ID NAME DEPTID
01 Smith 10 02 Bossy 20 03 Peterson 20 04 Goss 30 05 Pape 40 06 Avery 50 07 O'Neal 60 08 Carter 50 DEPARTMENT ID DEPTNAME
05 Hardware 10 Kitchen 20 Shoes 30 Toys 40 Electronics 50 Automotive and the following query:
SELECT e.id, d.deptname FROM employee e, department d WHERE e.deptid = d.id AND e.id > 4
Which of the following queries will produce the same result set as the query above?
A) SELECT e.id,d.deptname FROM employee e FULL OUTER JOIN department d ON e.id = d.id WHERE e.id > 4
B) SELECT e.id,d.deptname FROM employee e LEFT OUTER JOIN department d ON e.deptid = d.id WHERE e.id > 4 UNION ALL SELECT e.id, d.deptname FROM employee e RIGHT OUTER JOIN department d ON e.deptid = d.id WHERE e.id > 4
C) SELECT e.id,d.deptname FROM employee e INNER JOIN department d ON e.deptid = d.id WHERE e.id > 4
D) SELECT e.id,d.deptname FROM employee e, department d WHERE e.id > 4
4. Given the following CREATE TABLE statement:
CREATE TABLE table2 LIKE table1
Which two of the following will NOT occur when the statement is executed?
A) TABLE2 will have the samenullability characteristics as TABLE1
B) TABLE2 will have the same indexes as TABLE1.
C) TABLE2 will have the same column defaults as TABLE1
D) TABLE2 will have the same referential constraints as TABLE1
E) TABLE2 will have the same column names and column data types as TABLE1
5. Which type of key is defined on the child table to implement a referential constraint?
A) Primary key
B) Foreign key
C) Unique key
D) Composite key
Solutions:
Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: B,D | Question # 5 Answer: A |