Chapter 10. Table Relationships

   

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Review Questions

1:	State two major reasons why field specifications are important.
2:	What do you gain by establishing field-level integrity ?
3:	What are the three categories of elements in a field specification?
4:	Name the three types of specifications.
5:	Why is it beneficial for you to compose a proper field description?
6:	What does the Data Type element indicate ?
7:	What does the Character Support element indicate?
8:	What is the purpose of the Display Format element?
9:	What types of keys are indicated on a field specification?
10:	True or False: A null represents a blank value.
11:	What is the significance of the Range of Values element?
12:	What is the purpose of an Edit Rule?
13:	What is the purpose of the Comparisons Allowed element?
14:	What is a value expression ?
15:	When do you use a generic specification?

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