key attributes

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• Attributes of God — Part of a series on Attributes of God in Christian theology Aseity Eternity …   Wikipedia

• Candidate key — In the relational model, a candidate key of a relvar (relation variable) is a set of attributes of that relvar such that # at all times it holds in the relation assigned to that variable that there are no two distinct tuples with the same values… …   Wikipedia

• Compound key — In database design, a compound key is a key that consists of 2 or more attributes that uniquely identify an entity occurrence. Each attribute that makes up the compound key is a simple key in its own right. This is often confused with a composite …   Wikipedia

• Surrogate key — A surrogate key in a database is a unique identifier for either an entity in the modeled world or an object in the database. The surrogate key is not derived from application data. Definition Two definitions of a surrogate appear in the… …   Wikipedia

• Domain/key normal form — (DKNF) is a normal form used in database normalization which requires that the database contains no constraints other than domain constraints and key constraints. A domain constraint specifies the permissible values for a given attribute, while a …   Wikipedia

• Natural key — In relational model database design, a natural key is a candidate key that has a logical relationship to the attributes within that row. A natural key is sometimes called a domain key. The main advantage of a natural key over a surrogate key,… …   Wikipedia

• Simple public key infrastructure — (SPKI, pronounced spoo key ) was born out of a joint effort to overcome the overcomplication and scalability problems of traditional X.509 public key infrastructure. It is specified in two Internet Engineering Task Force (IETF) Request For… …   Wikipedia

• Public key infrastructure — In cryptography, a public key infrastructure (PKI) is an arrangement that binds public keys with respective user identities by means of a certificate authority (CA). The user identity must be unique for each CA. The binding is established through …   Wikipedia

• List of Music Genome Project attributes — This following is a list of attributes used by the Music Genome Project for classifying music. NoTOC A *Abder *Abstract Lyrics *Acid jazz Roots *Acid Rock Qualities *Accordion Playing *Acousti Lectric Sonority *Acousti Synthetic Sonority… …   Wikipedia

• Public key certificate — Diagram of an example usage of digital certificate In cryptography, a public key certificate (also known as a digital certificate or identity certificate) is an electronic document which uses a digital signature to bind a public key with an… …   Wikipedia

• Dinner Key — United States Coast Guard Air Station at Dinner Key U.S. National Register of Historic Places …   Wikipedia