In order for a database to be relational, one of the requirements is that each row must have a primary key able to uniquely identify one record from another.
a. true
b. false
a. true
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Object-oriented programming allows you to derive new classes from existing classes. This is called ____________.
a. encapsulation b. inheritance c. abstraction d. generalization
Explain the is-a and has-a relationship between classes used in inheritance and in composition.
What will be an ideal response?
Repeat Exercise 10 of Chapter 13 to use a menu instead of an Accept button. The menu should contain an “Add Name” item that has the same function as the Accept button.
What will be an ideal response?
Match the following Split Form properties to their default settings:
I Split Form Size II. Split Form Orientation III. Split Form Datasheet IV. Split Form Printing V. Split Form Splitter Bar A. Auto — allows the size to be set by other means such as dragging the splitter bar in Layout view B. Allow Edits — editing of the form's source can be done in the datasheet section C. Datasheet Only — only the datasheet section will be printed D. Datasheet on Bottom — datasheet displays below the form E. Yes — the form and datasheet can be resized by moving the splitter bar that separates the two sections