A SYSTEM‐THEORETICAL APPROACH TO DATABASE SYSTEMS
| Autor: | R.R. Wagner, A.M. Tjoa |
|---|---|
| Rok vydání: | 1980 |
| Předmět: |
Theoretical computer science
Database Computer science View Database schema computer.software_genre Database design Database testing Database tuning Theoretical Computer Science Consistency (database systems) Control and Systems Engineering Computer Science (miscellaneous) Database theory Engineering (miscellaneous) computer Social Sciences (miscellaneous) Database model |
| Zdroj: | Kybernetes. 9:257-264 |
| ISSN: | 0368-492X |
| DOI: | 10.1108/eb005562 |
| Popis: | The various aspects of database systems are formalized. An information base is described as a projection of the real world which follows certain semantical constraints. The concepts of the external, conceptual and internal model of a database are integrated in this theory. Furthermore, interactions (query, update, add and delete) on databases are defined exactly with the help of this generalized concept. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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