Dependency
81Data dependency — A data dependency in computer science is a situation in which a program statement (instruction) refers to the data of a preceding statement. In compiler theory, the technique used to discover data dependencies among statements (or instructions)… …
82Multivalued dependency — In database theory, multivalued dependency is a full constraint between two sets of attributes in a relation. In contrast to the functional dependency, the multivalued dependency requires that certain tuples be present in a relation. Therefore, a …
83Media-system dependency — Media System Dependency, first introduced by Ball Rokeach and DeFleur (1976), is defined as “a relationship in which the capacity of individuals to attain their goals is contingent upon the information resources of the media system.” Those… …
84Postage stamps and postal history of the Ross Dependency — Ross Dependency stamps have been issued by New Zealand postalauthorities for use on mail from Scott Base since 1957.Overprinted New Zealand stamps had been used for mail on two earlierexpeditions to the region.King Edward VII LandBefore leaving… …
85Index of Dependency — The annual Index of Dependency, published by the Heritage Foundation s Center for Data Analysis, attempts to measure government expansion in America and the degree of reliance on social support programs. Though established in 2002, the index has… …
86Functional 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… …
87Transitive dependency — In mathematics, a transitive dependency is a functional dependency which holds by virtue of transitivity. A transitive dependency can occur only in a relation that has three or more attributes. Let A, B, and C designate three distinct attributes… …
88chemical dependency — addiction to drugs or alcohol. * * * ▪ drug use the body s physical and/or psychological addiction to a psychoactive (mind altering) substance, such as narcotics (narcotic), alcohol, or nicotine. Physical dependency on such chemicals as… …
89Automobile dependency — is a term coined by Professors Peter Newman and Jeff Kenworthy to capture the predicament of most cities in the United States, Canada, Australia and New Zealand, and to a lesser extent, large cities in Europe.Automobile dependency implies that… …
90Crown Dependency of Forvik — Micronation Arms Motto: Með løgum skal land biggja[1] (English: With laws the land will be built) Status …
