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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

Question 1

Given the following requirements:
Create a table to contain employee data, with a unique numeric identifier automatically assigned when a row is added, has an EDLEVEL column that permits only the values 'C', 'H' and 'N', and permits inserts only when a corresponding value for the employee's department exists in the DEPARTMENT table.
Which of the following CREATE statements will successfully create this table?

A. CREATE TABLEemp (
empno SMALLINT NEXTVAL GENERATED ALWAYS AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3) NOT NULL,
edlevel CHAR(1),
PRIMARY KEY emp_pk (empno),
FOREIGN KEY emp_workdept_fk ON (workdept) REFERENCES department (deptno),
CHECK edlevel_ck VALUES (edlevel IN ('C','H','N')),
);
B. CREATE TABLEemp (
empno SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3),
edlevel CHAR(1),
CONSTRAINT emp_pk PRIMARY KEY (empno),
CONSTRAINT emp_workdept_fk FOREIGN KEY (workdept) REFERENCES department
(deptno),
CONSTRAINT edlevel_ck CHECK (edlevel IN ('C','H','N'))
);
C. CREATE TABLEemp (
empno SMALLINT NOT NULL GENERATED BY DEFAULT AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3),
edlevel CHAR(1),
CONSTRAINT emp_pk PRIMARY KEY (empno),
CONSTRAINT emp_workdept_fk FOREIGN KEY (workdept) REFERENCES department
(deptno),
CONSTRAINT edlevel_ck CHECK edlevel VALUES ('C','H','N')
);
D. CREATE TABLEemp (
empno SMALLINT NEXTVAL GENERATED BY DEFAULT AS IDENTITY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
workdept CHAR(3) NOT NULL,
edlevel CHAR(1) CHECK IN ('C','H','N')),
CONSTRAINT emp_pk PRIMARY KEY (empno),
CONSTRAINT emp_workdept_fk FOREIGN KEY department (deptno) REFERENCES
(workdept)
);

Question 2

In a client-server environment, which two of the following can be used to verify passwords?

A. User ID/password file
B. Communications layer
C. Client Operating System
D. System Catalog
E. Application Server

Question 3

Given the following two tables:
NAMES
NAME NUMBER
Wayne Gretzky 99 Jaromir Jagr 68 Bobby Orr 4 Bobby Hull 23 Mario Lemieux 66
POINTS
NAME POINTS
Wayne Gretzky 244 Bobby Orr 129 Brett Hull 121 Mario Lemieux 189 Joe Sakic 94
How many rows would be returned using the following statement?
SELECT name FROM names, points

A. 25
B. 0
C. 5
D. 10

Question 4

Given the following table definition:
SALES
SALES_DATE DATE
SALES_PERSON CHAR(20)
REGION CHAR(20)
SALES INTEGER
Which of the following SQL statements will remove all rows that had a SALES_DATE in the year
1995?

A. DELETE FROM sales WHEREYEAR(sales_date) = 1995
B. DROP * FROM sales WHEREYEAR(sales_date) = 1995
C. DROP FROM sales WHEREYEAR(sales_date) = 1995
D. DELETE * FROM sales WHEREYEAR(sales_date) = 1995

Question 5

Which of the following statements allows BOB to revoke access to the SAMPLE database from user TOM?

A. REVOKE tom FROM CONNECT ON DATABASE BY USER bob
B. REVOKE tom FROM ACCESS ON DATABASE BY USER bob
C. REVOKE ACCESS ON DATABASE FROM USER bob
D. REVOKE CONNECT ON DATABASE FROM USER tom

Solutions: