Question

In the scheme described in this chapter, identification numbers are different from the other fields in the employee record. They are kept only as keys in the database and not as part of the record, for example. Change the class EmployeeRecord so that it maintains the identification number as part of the record. What changes are then required in EmployeeDatabase ?

   In the scheme described in this chapter, identification numbers are different from the other fields in the employee record. They are kept only as keys in the database and not as part of the record, for example. Change the class EmployeeRecord so that it maintains the identification number as part of the record. What changes are then required in EmployeeDatabase ?

Show more…

A little Smalltalk

A little Smalltalk

Timothy Budd 1st Edition

Chapter 5, Problem 4

Instant Answer

Step 1

Determine how the identification number is currently being used and stored. Typically, it might be stored separately as a key in the database. Show more…

Show all steps

lock

Thanks for your feedback!

In the scheme described in this chapter, identification numbers are different from the other fields in the employee record. They are kept only as keys in the database and not as part of the record, for example. Change the class EmployeeRecord so that it maintains the identification number as part of the record. What changes are then required in EmployeeDatabase ?

Play audio

Feedback

Powered by NumerAI

Ace is your personal tutor. It breaks down any question with clear steps so you can learn.

Start Using Ace

Continue solving this problem

Create a free account to:

View full step-by-step solution
Ask follow-up questions with Ace AI
Save progress and study later