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multivalued attribute

См. также в других словарях:

  • Database normalization — In the design of a relational database management system (RDBMS), the process of organizing data to minimize redundancy is called normalization. The goal of database normalization is to decompose relations with anomalies in order to produce… …   Wikipedia

  • Fourth normal form — (4NF) is a normal form used in database normalization. Introduced by Ronald Fagin in 1977, 4NF is the next level of normalization after Boyce Codd normal form (BCNF). Whereas the second, third, and Boyce Codd normal forms are concerned with… …   Wikipedia

  • Scepter of Goth — Scepter of Goth, also spelled Sceptre of Goth, was an early multi user text based adventure game, a genre now typically called a multi user dungeon or MUD. Originally written by Alan E. Klietz, Scepter of Goth was one of the first commercial MUDs …   Wikipedia

  • Functional 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… …   Wikipedia

  • Directory Access Protocol — LDAP im TCP/IP‑Protokollstapel: Anwendung LDAP Transport UDP TCP Internet IP (IPv4, IPv6) Netzzugang …   Deutsch Wikipedia

  • LDAP — im TCP/IP‑Protokollstapel: Anwendung LDAP Transport UDP TCP Internet IP (IPv4, IPv6) Netzzugang …   Deutsch Wikipedia

  • Ldap — im TCP/IP‑Protokollstapel: Anwendung LDAP Transport UDP TCP Internet IP (IPv4, IPv6) Netzzugang …   Deutsch Wikipedia

  • Lightweight Directory Access Protocol — LDAP im TCP/IP‑Protokollstapel: Anwendung LDAP Transport UDP TCP Internet IP (IPv4, IPv6) Netzzugang Ethernet …   Deutsch Wikipedia

  • Relative Distinguished Name — LDAP im TCP/IP‑Protokollstapel: Anwendung LDAP Transport UDP TCP Internet IP (IPv4, IPv6) Netzzugang …   Deutsch Wikipedia

  • OpenLDAP — Software Developer(s) The OpenLDAP Project Stable release 2.4.26 / June 30, 2011; 4 months ago (2011 06 30) …   Wikipedia

  • Mehrwertige Abhängigkeit — Eine mehrwertige Abhängigkeit (engl. multivalued dependency (MVD)) beschreibt die Abhängigkeit einer Menge von Attributwerten β von einem Attributwert α. Mehrwertige Abhängigkeiten sind trivial, falls außer α und β keine weiteren Attribute im… …   Deutsch Wikipedia

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