A domain is a named set of values. Its main application in computing science is as a specification of the possible values of variable, or—what amounts to the same—as a constraint for an attribute in a database.
Defining a domain for a set of values is essential in many computer programs. It ensures that incorrect data are left out, and is often used as a tbles. Thus, for instance, it cannot contain some integer values and some string values.
Example of code fragments that define domain sets:
int odd = {1, 3, 5, 7, 9}; String members = {"Jason", "Mary", "Bob", "Andrew"}; int ageRange; for i = 1 to 80 ageRange = i;Famous quotes containing the words set and/or domain:
“Then when he saw it could hold no more,
Bishop Hatto, he made fast the door;
And while for mercy on Christ they call,
He set fire to the barn and burnt them all.”
—Robert Southey (17741843)
“No domain of nature is quite closed to man at all times.”
—Henry David Thoreau (18171862)