- group relation instance
- экземпляр группового отношения (в реляционных базах данных)
English-Russian dictionary of computer science and programming. 2013.
English-Russian dictionary of computer science and programming. 2013.
Group Emotion — A group of people share a range of qualities and characteristics which signifies it from other groups. One facet of the group s entity is its emotional characteristics. Just as individuals have moods, emotions and dispositional affects, Groups… … Wikipedia
Group (mathematics) — This article covers basic notions. For advanced topics, see Group theory. The possible manipulations of this Rubik s Cube form a group. In mathematics, a group is an algebraic structure consisting of a set together with an operation that combines … Wikipedia
Relation (mathematics) — This article sets out the set theoretic notion of relation. For a more elementary point of view, see binary relations and triadic relations. : For a more combinatorial viewpoint, see theory of relations. In mathematics, especially set theory, and … Wikipedia
Group action — This article is about the mathematical concept. For the sociology term, see group action (sociology). Given an equilateral triangle, the counterclockwise rotation by 120° around the center of the triangle acts on the set of vertices of the… … Wikipedia
Group selection — In evolutionary biology, group selection refers to the idea that alleles can become fixed or spread in a population because of the benefits they bestow on groups, regardless of the alleles effect on the fitness of individuals within that group.… … Wikipedia
Group isomorphism — In abstract algebra, a group isomorphism is a function between two groups that sets up a one to one correspondence between the elements of the groups in a way that respects the given group operations. If there exists an isomorphism between two… … Wikipedia
Group entity — In individualist anarchist discourse, a group entity is usually distinguished from an individual hominid, or animal groups from a single living being of any sexual species. All group entities are assumed to have certain characteristics in common … Wikipedia
Lorentz group — Group theory Group theory … Wikipedia
Symmetric group — Not to be confused with Symmetry group. A Cayley graph of the symmetric group S4 … Wikipedia
Equivalence relation — In mathematics, an equivalence relation is a binary relation between two elements of a set which groups them together as being equivalent in some way. Let a , b , and c be arbitrary elements of some set X . Then a b or a ≡ b denotes that a is… … Wikipedia
Advocacy group — This article is about political and social advocacy and lobbying groups. For other interest groups, see Interest group (disambiguation). Advocacy groups (also pressure groups, lobby groups and some interest groups and special interest groups) use … Wikipedia