functional dependency
1Functional dependency — A functional dependency (FD) is a constraint between two sets of attributes in a relation from a database.Given a relation R , a set of attributes X in R is said to functionally determine another attribute Y , also in R , (written X → Y ) if and… …
2functional dependency — noun A constraint between two sets of attributes in a relation …
3trivial functional dependency — noun A functional dependency of an attribute on a superset of itself …
4Dependency — or dependent may refer to: Contents 1 Sciences 1.1 Computer science 1.2 Economics 1.3 Linguistics 1.4 …
5Dependency grammar — Hybrid constituency/dependency tree from the Quranic Arabic Corpus Dependency grammar (DG) is a class of syntactic theories developed by Lucien Tesnière. It is distinct from phrase structure grammars, as it lacks phrasal nodes. Structure is… …
6Dependency (UML) — A dependency in the Unified Modeling Language exists between two defined elements if a change to the definition of one may result in a change to the other. In UML this is indicated by a dashed line pointing from the dependent (or client) to the… …
7Functional decomposition — refers broadly to the process of resolving a functional relationship into its constituent parts in such a way that the original function can be reconstructed (i.e., recomposed) from those parts by function composition. In general, this process of …
8Dependency theory (database theory) — Dependency theory is a subfield of database theory which studies implication and optimization problems related to logical constraints, commonly called dependencies, on databases. The best known class of such dependencies are functional… …
9Functional programming — In computer science, functional programming is a programming paradigm that treats computation as the evaluation of mathematical functions and avoids state and mutable data. It emphasizes the application of functions, in contrast with the… …
10Dependency diagram — A dependency diagram is a visual representation of a dependency graph. Dependency diagrams are integral to software development, outlining the complex, interrelationships of various functional elements. Typically in a dependency diagram, arrows… …
