Definition
Prime Attribute (Relational Algebra)
An attribute is called prime if it is contained by any key candidate of a relation.
Conversely, an attribute is called non-prime if it is not part of any key candidate of a relation.
Prime Attribute (Relational Algebra)
An attribute is called prime if it is contained by any key candidate of a relation.
Conversely, an attribute is called non-prime if it is not part of any key candidate of a relation.