Definition
Attribute (Relational Algebra)
An attribute in relational algebra is a named property that defines a specific characteristic of the tuples within a relation.
Atomicity
Definition
Link to originalAtomic Attribute (Relational Algebra)
An attribute is called atomic if it cannot be appropriately divided into multiple smaller attributes.
Prime
Definition
Link to originalPrime 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.