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Three-schema approach
Known as:
External schema
, Three Schema Approach
The three-schema approach, or three-schema concept, in software engineering, is an approach to building information systems and systems information…
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Related topics
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12 relations
Conceptual schema
Data model
Database
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Broader (1)
Data modeling
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2003
2003
A Methodology of A Database Schema Design Using The Subschemas
Ivan Lukovi
2003
Corpus ID: 14841183
The initial assumption is that a database schema is produced by the integration of simultaneously and independently designed…
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2001
2001
Generation of external schemas in ODMG databases
M. Torres
,
J. Samos
Proceedings - International Database Engineering…
2001
Corpus ID: 4689397
A method for generating external schemas in object oriented databases in the ODMG framework is proposed. External schema…
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2000
2000
Pit-koon Teo Data Resources
Tok Wang Ling
,
Lingling Yan
2000
Corpus ID: 31712614
A 3-level schema architecture is proposed to address some inadequacies in recent object-oriented data models. The conceptual…
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Highly Cited
1997
Highly Cited
1997
Schema Discovery for Semistructured Data
Ke Wang
,
Huiqing Liu
Knowledge Discovery and Data Mining
1997
Corpus ID: 52857898
To formulate a meaningful query on semistructured data, such as on the Web, that matches some of the source's structure, we need…
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1997
1997
External schemas in a schema-evolution environment for OODBs
J. Samos
,
F. Saltor
Database and Expert Systems Applications. 8th…
1997
Corpus ID: 897730
External schemas are derived from the database conceptual schema; they can be used to simulate changes in it. Sometimes the final…
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1995
1995
Definition of External Schemas in Object Oriented Databases
J. Samos
International Conference on Object Oriented…
1995
Corpus ID: 13596942
In this work, a new external schema definition methodology for object oriented databases (OODB) that solves some of the problems…
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Review
1993
Review
1993
Toward resolving inadequacies in object-oriented data models
T. Ling
,
P. Teo
Information and Software Technology
1993
Corpus ID: 2038949
1988
1988
Data Manipulation Languages for the Universal Relation View DURST
J. Biskup
,
H. Brüggemann
Symposium on Mathematical Fundamentals of…
1988
Corpus ID: 46622342
A universal relation view is a view (external schema) on top of a relational database schema (conceptual schema). It shows the…
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1983
1983
Universal Relation Views: A Pragmatic Approach
J. Biskup
,
H. Brüggemann
Very Large Data Bases Conference
1983
Corpus ID: 28405001
A universal relation view is a view (external schema) on top of a relational database schema (conceptual schema). It shows the…
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1977
1977
Towards a more familiar relational retrieval language
E. Vandijck
Information Systems
1977
Corpus ID: 205099809
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