compound key

compound key
составной ключ
в СУБД - ключ записи, состоящий из нескольких её ключевых полей.
Syn:
composite key, multi-part key, concatenated key
см. тж. record

Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. . 1998-2007.

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Смотреть что такое "compound key" в других словарях:

  • 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

  • Compound term processing — is the name that is used for a category of techniques in Information retrieval applications that performs matching on the basis of compound terms. Compound terms are built by combining two (or more) simple terms, for example triple is a single… …   Wikipedia

  • Compound TCP — (CTCP) is a Microsoft algorithm that was introduced as part of the Windows Vista and Window Server 2008 TCP stack. It is designed to aggressively adjust the sender s congestion window to optimise TCP for connections with large bandwidth delay… …   Wikipedia

  • Compound lever — Nail clippers are a simple form of compound lever The compound lever is a simple machine operating on the premise that the resistance from one lever in a system of levers will act as power for the next, and thus the applied force will be… …   Wikipedia

  • Key Biscayne, Florida — Infobox Settlement official name = Village of Key Biscayne other name = native name = nickname = settlement type = Village motto = imagesize = image caption = flag size = image seal size = image shield = shield size = image blank emblem = blank… …   Wikipedia

  • Compound screw — Screw Screw (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical… …   The Collaborative International Dictionary of English

  • Compound (migrant labour) — A migrant worker compound is a key institution in a system such as that which regulated labour on mines in South Africa from the later nineteenth century. The tightly controlled closed compound which came to typify the phenomenon in that country… …   Wikipedia

  • compound bitted key —   n.    a key with at least one compound cut …   Locksmith dictionary

  • compound stop — noun : an organ stop having more than one pipe or reed to each key …   Useful english dictionary

  • 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

  • Foreign key — In the context of relational databases, a foreign key is a referential constraint between two tables. [ [http://www.visualcase.com/kbase/database basics foreign keys.htm For a simpler visualization, see VisualCase.com] ] The foreign key… …   Wikipedia


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