Question 1

Consider the Orders relation shown in the exhibit. Which of the following SQL statements would replace the value in the Sales_Rep_No column with 110 everywhere that Sales_Rep_No 108 is listed?

Options :

A : UPDATE Sales_Rep_No IN Orders SET(Sales_Rep_No = 110 WHERE Sales_Rep_No = 108);

B : UPDATE Orders SET Sales_Rep_No = 110 WHERE Sales_Rep_No = 108;

C : UPDATE Orders SET Sales_Rep_No = 110;

D : UPDATE Orders WHERE Sales_Rep_No = 108 SET Sales_Rep_No = 110;

Answer: B

Question 2

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 3

With regard to databases, what is normalization?

Options :

A : The process of reducing the cardinality of a relation

B : The process of organizing and refining relations

C : The process of duplicating data to reduce the number of tables

D : The process of limiting data stored in a table to a specific range of values

Answer: B

Question 4

Which area of database security involves maintaining access to enterprise data?

Options :

A : Theft

B : Privacy

C : Availability

D : Confidentiality

Answer: C

Question 5

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

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