Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Composite key A primary key[…]
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Relation
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review. Relation Unnamed two-dimensional table[…]
Read moreUniversal data model
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Universal data model A generic[…]
Read moreAbstract entity,”An entity that has an existence, but does not correspond to a tangible entity. For example, the film Citizen Kane is an abstract entity
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Abstract entity,”An entity that has[…]
Read moreEntity cluster
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Entity cluster A set of[…]
Read moreSupertype/subtype hierarchy
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Supertype/subtype hierarchy A hierarchical arrangement[…]
Read moreSubtype discriminator
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Subtype discriminator An attribute of[…]
Read moreOverlap rule
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Overlap rule A rule that[…]
Read moreDisjoint rule
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Disjoint rule A rule that[…]
Read moreDisjointness constraint
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Disjointness constraint A constraint that[…]
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