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Question 1

Consider the relation shown in the exhibit. Which of the following SQL statements would properly add information for a new employee?

Options :

A : INSERT INTO Employee VALUES(0005, Tim, Bogart, 03-15-77);

B : INSERT INTO Employee(Emp_ID, First_Name, Last_Name, Birth_Date) VALUES(0004, Tim, Bogart, 03-15-77);

C : INSERT INTO Employee(Emp_ID, First_Name, Last_Name, Birth_Date) VALUES(0005, Tim, Bogart, 03-05-77);

D : INSERT INTO Employee(Emp_ID, First_Name, Last_Name, Birth_Date) VALUES(0005, Tim, Bogart, 03-05-77);

Answer: D

Question 2

Consider the following database information:

domain s_id: integer domain grd: fixed length

character string length 1

STUDENT_GRADE(

Student_Number: s_id NOT NULL -

Grade: grd ) Primary Key -

Student_Number -

During which phase of the database design process would this information be developed?

Options :

A : Logical

B : Physical

C : Conceptual

D : Implementation

Answer: A

Question 3

Which statement is used to define a named group of related tables, views, domains and other database objects?

Options :

A : CREATE

B : CREATE TABLE

C : CREATE DOMAIN

D : CREATE SCHEMA

Answer: D

Question 4

Which of the following best describes a composite key?

Options :

A : A composite key is a primary key that consists of the first two attributes of a relation

B : A composite key is a primary or foreign key defined by its parent keys.

C : A composite key is a foreign key that consists of the same attributes as the primary key from a related table.

D : A composite key is a primary or foreign key that consists of two or more attributes of a relation

Answer: D

Question 5

Consider the following relational algebraic expression as well as the Employee and Department relations shown in the exhibit: Which of the following relations would result from the given relational algebraic expression?

Options :

A :

B :

C :

D :

Answer: D