The problem of incomplete information in relational databases
In a relational database the information is recorded as rows in tables. However, in many practical situations the available information is incomplete and the values for some columns are missing. Yet few existing database management systems allow the user to enter null values in the database. This mo...
Guardado en:
| Autor principal: | |
|---|---|
| Formato: | Livre numérique |
| Lenguaje: | Anglais |
| Publicado: |
Berlin [etc.] :
Springer
[20..].
Cham : Springer Nature |
| Colección: | Lecture notes in computer science
554 |
| Materias: | |
| Acceso en línea: | Accès sur la plateforme de l'éditeur Accès sur la plateforme Istex Accès Université d'Orléans Accès INSA CVL |
| Nota: |
Archives Springer e-books (Licence nationale) Archives Springer e-books (Licence nationale) |
| Autres localisations: | Voir dans le Sudoc |
| Edition sous un autre format: | • The problem of incomplete information in relational databases, G. Grahne, 1991, Berlin, Springer, 1 vol. (VIII-156 p.), Lecture notes in computer science, 3-540-54919-6 • The Problem of Incomplete Information in Relational Databases, Texte imprimé, 9783662207529 |
Tabla de Contenidos:
- Relational databases
- Semantic aspects of incomplete information
- Syntactic and algorithmic aspects of incomplete information
- Computational complexity aspects of incomplete information
- Some conclusive aspects.