File maintenance is the activity of keeping a file up to
date by adding, changing, or deleting data.
- Also called a data set, a set of related records
treated as a unit; e.g., in stock control, a file could consists of
a set of invoices.
- The largest unit of storage structure that consists of a named collection
of all occurrences in a database of records of a particular record type.
ARTIFICIAL INTELLIGENCE, AND CYBERNETICS