Computers and Technology, 20.08.2021 16:00, zionlopez543

Using the following example, explain the three different ways you would use to map the subclasses (Technician, Secretary, Engineer) and a super class (Employee) into relations. For each of them, write down all the relations
Employee(Employee_No, Employee_Name, Employee Address, Birth_Date)
Technician(T_Grade)
Secretary(Typing_Speed)
Engineer(Engineer_specialisation)

Answers: 3

Show answers

Other questions on the subject: Computers and Technology

Computers and Technology, 22.06.2019 08:00, lindseyreneesmith7

Digital information is stored using a series of ones and zeros. computers are digital machines because they can only read information as on or off –1 or 0. this method of computation is known as the system

Answers: 1

continue

Computers and Technology, 23.06.2019 00:30, devenybates

Which one of the following is the most accurate definition of technology? a electronic tools that improve functionality b electronic tools that provide entertainment or practical value c any type of tool that serves a practical function d any type of tool that enhances communication

Answers: 1

continue

Computers and Technology, 23.06.2019 09:10, babyskitt

Effective character encoding requires standardized code. compatible browsers. common languages. identical operating systems.

Answers: 1

continue

Computers and Technology, 23.06.2019 19:30, alangonsales6232

2. fluorine and chlorine molecules are blamed fora trapping the sun's energyob forming acid rainoc producing smogod destroying ozone molecules

Answers: 2

continue

Do you know the correct answer?

Using the following example, explain the three different ways you would use to map the subclasses (T...