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Relational database

A relational database (RDB) is a database based on the relational model of data, as proposed by E. F. Codd in 1970.

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Overview

History

Relational model

Keys

Transactions

Stored procedures

Terminology

Relations or tables

Base and derived relations

Constraints

Relational operations

Normalization

RDBMS

Distributed relational databases

Sources

Advanced semantic analysis

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Map overview Semantic statistics

Relational database

Nodes120
Edges119
Triples76
Avg. degree1.98
Density0.016667
Components1

How this topic connects Entity context

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Relational database

Top relations

related to Relational operations · 12
Relational database → Codd, Cross, Difference, EXCEPT, In, INTERSECT, Intersection, MINUS, Queries, SQL, SQL UNION, The
related to history · 10
Relational database → Codd, Codd's, Data, However, IBM, In, Large Shared Data Banks, One, Relational Model, The
related to Index · 9
Relational database → An, B-tree, Hash, Indices, Queries, R-trees, Relational, The, This
related to Terminology · 9
Relational database → Codd's, Edgar Codd, IBM's San Jose Research, June, Laboratory, Other, RDBMS, SQL, The
related to Relations or tables · 8
Relational database → All, Applications, In, New, Objects, Relations, Similarly, The
see also · 7
Relational database → Comparison, OLAP, Online, OODBMS, Relational, Relational Online Analytical Processing, ROLAP
related to Distributed relational databases · 6
Relational database → Distributed Data Management Architecture, Distributed Relational Database Architecture, DRDA, IBM, SQL, The
related to RDBMS · 6
Relational database → An, Begg, Connolly, DBMS, Most, RDBMS
related to Stored procedures · 6
Relational database → API, Frequently, Implementations, SQL, SQL RDBMS's, Stored

Important terminology Word statistics

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Important terminology

relational database data table relation relations sql tuples attributes key tables model set tuple rdbms columns system rows one domain

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
select to identify tuplesinstance ofwhich use operations0.80text
project to identify attributesinstance ofwhich use operations0.80text
and join to combine relationsinstance ofwhich use operations0.80text
Relational databaserelated to Distributed relational databasesDistributed Relational Database Architecture0.60section
Relational databaserelated to Distributed relational databasesDRDA0.60section
Relational databaserelated to Distributed relational databasesIBM0.60section
Relational databaserelated to Distributed relational databasesSQL0.60section
Relational databaserelated to Distributed relational databasesThe0.60section
Relational databaserelated to Distributed relational databasesDistributed Data Management Architecture0.60section
Relational databaserelated to historyThe0.60section
Relational databaserelated to historyCodd0.60section
Relational databaserelated to historyIBM0.60section

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    Min side: 3
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