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Trees and hierarchies in SQL for smarties
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Nombre de pages : 226 pages
- Date de parution : 01/07/2004
Résumé
Trees and Hierarchies in SQL for Smarties is an intermediate to advanced-level practitioner's guide to mastering the two most challenging aspects of developing database applications in SQL. In this book, Celko illustrates several major approaches to representing trees and hierarchies and related topics that should be of interest to the working database programmer. These topics include hierarchical encoding schemes, graphs, IMS, binary trees, and more. This book covers SQL-92 and SQL1999.
Sommaire
- Graphs, trees, and hierarchies
- Adjacency list model
- Path enumeration models
- Nested set model of hierarchies
- Frequent insertion trees
- The linear version of the nested sets model
- Binary trees
- Other models for trees
- Proprietary extensions for trees
- Hierarchies in data modeling
- Hierarchical encoding schemes
- Hierarchical database systems (IMS)
Caractéristiques
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