- primary key of relationship
- Вычислительная техника: первичный ключ связи
Универсальный англо-русский словарь. Академик.ру. 2011.
primary key of relationship
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Entity-relationship model — A sample Entity relationship diagram using Chen s notation In software engineering, an entity relationship model (ERM) is an abstract and conceptual representation of data. Entity relationship modeling is a database modeling method, used to… … Wikipedia
Primary ciliary dyskinesia — Classification and external resources Normal cilia (A) cilia in Kartagener s syndrome (B). ICD 10 Q … Wikipedia
Primary source — [ [http://www.lib.umd.edu/guides/primary sources.html Primary, Secondary and Tertiary Sources, UM Libraries] ] [ [http://www.library.jcu.edu.au/LibraryGuides/primsrcs.shtml JCU Primary, Secondary Tertiary Sources] ] is a term used in a number of… … Wikipedia
Primary education — A large elementary school in Magome, Japan … Wikipedia
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
Natural key — In relational model database design, a natural key is a candidate key that has a logical relationship to the attributes within that row. A natural key is sometimes called a domain key. The main advantage of a natural key over a surrogate key,… … 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
Strukturiertes Entity-Relationship-Modell — Die Strukturierte Entity Relationship Modellierung (SERM) erhebt den Anspruch, die Datenmodellierung nach der Entity Relationship Methode zu erweitern. Sie wurde ursprünglich 1989 von Prof. Dr. Elmar Sinz (Universität Bamberg) veröffentlicht und… … Deutsch Wikipedia
Structured-Entity-Relationship-Modell — Die Strukturierte Entity Relationship Modellierung (SERM) erhebt den Anspruch, die Datenmodellierung nach der Entity Relationship Methode zu erweitern. Sie wurde ursprünglich 1989 von Prof. Dr. Elmar J. Sinz (Universität Bamberg) veröffentlicht… … Deutsch Wikipedia
Barack Obama presidential primary campaign, 2008 — Infobox U.S. federal election campaign, 2008 committee = Obama for America campaign = U.S. presidential election, 2008 candidate = Barack Obama U.S. Senator 2005–present status = Announced February 10, 2007 Presumptive nominee June 3, 2008… … Wikipedia
Open relationship — The Purple Mobius symbol for polyamory and non monogamy. An open relationship is an interpersonal relationship in which the parties want to be together but agree to a form of a non monogamous relationship.[1] This means that they agree that a… … Wikipedia
