Records and Fields in the Airplane File

question 43

Essay

Records and fields in the Airplane file.
a. Describe the file's record type.
b. Show a record occurrence.
c. Describe the set or range of values that the Airplane Number field can take.
d. Describe the set or range of values that the Manufacturer field can take.

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Definitions:

Zero-Factor Property

A rule stating that if the product of two factors equals zero, at least one of the factors must also be zero.

Equation

A statement in mathematics that declares two expressions, often including variables and constants, to be equivalent.

Factor

A number or expression that divides another number or expression evenly, with no remainder.

Zero-Factor Property

The rule stating if a product of two or more factors is zero, at least one of the factors must be zero.