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Logical schema

A logical data model or logical schema is a data model of a specific problem domain expressed independently of a particular database management product or storage technology (physical data model) but in terms of data structures such as relational tables and columns, object-oriented classes, or XML tags. This is as opposed to a conceptual data model…

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Overview

History

Logical data model topics

Advanced semantic analysis

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Map overview Semantic statistics

Logical schema

Nodes14
Edges13
Triples8
Avg. degree1.86
Density0.142857
Components1

How this topic connects Entity context

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Logical schema

Top relations

related to history · 3
Logical schema → Since, The, When ANSI
is a · 1
Logical schema → data model of a specific problem domain expressed independently of a particular database management product or storage technology

Important terminology Word statistics

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Important terminology

data model logical physical domain database conceptual technology design schema terms organization structure also object-oriented models since specific problem particular

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Logical schemais adata model of a specific problem domain expressed independently of a particular database management product or storage technology0.90text
relational tablesinstance ofbut in terms of data structures0.80text
columnsinstance ofbut in terms of data structures0.80text
object-oriented classesinstance ofbut in terms of data structures0.80text
or XML tagsinstance ofbut in terms of data structures0.80text
Logical schemarelated to historyWhen ANSI0.60section
Logical schemarelated to historyThe0.60section
Logical schemarelated to historySince0.60section

Related concept clusters Concept neighborhoods

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    Connections between topic areas Semantic bridges

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    Min side: 3
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