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Natural key

A natural key (also known as business key or domain key) is a type of unique key in a database formed of attributes that exist and are used in the external world outside the database (i.e. in the business domain or domain of discourse). In the relational model of data, a natural key is a superkey and is therefore a functional determinant for all…

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Explore the main themes, entities and connections around Natural key. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Overview

Advantages

Disadvantages

Advanced semantic analysis

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Map overview Semantic statistics

Natural key

Nodes22
Edges21
Triples14
Avg. degree1.91
Density0.090909
Components1

How this topic connects Entity context

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Natural key

Top relations

related to Disadvantages · 8
Natural key → Confluence, For, In, Social Security Number, SSN, The, US, Usage
related to Advantages · 4
Natural key → Another, Comparing, The, They
is a · 2
Natural key → attribute that is related to the business or the real world so in most cases, superkey and is therefore a functional determinant for all attributes in a relation.A natural key serves two complementary purposes

Important terminology Word statistics

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Important terminology

natural key data database system surrogate world business unique domain real table relation change quality keys attributes external outside discourse

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Natural keyis asuperkey and is therefore a functional determinant for all attributes in a relation.A natural key serves two complementary purposes0.90text
Natural keyis aattribute that is related to the business or the real world so in most cases0.90text
Natural keyrelated to AdvantagesThe0.60section
Natural keyrelated to AdvantagesAnother0.60section
Natural keyrelated to AdvantagesThey0.60section
Natural keyrelated to AdvantagesComparing0.60section
Natural keyrelated to DisadvantagesUsage0.60section
Natural keyrelated to DisadvantagesThe0.60section
Natural keyrelated to DisadvantagesFor0.60section
Natural keyrelated to DisadvantagesUS0.60section
Natural keyrelated to DisadvantagesSocial Security Number0.60section
Natural keyrelated to DisadvantagesSSN0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

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    Min side: 3
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