Database Model

Database Model

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A database model is the theoretical foundation of a database and fundamentally determines in which manner data can be stored, organized, and manipulated in a database system. It thereby defines the infrastructure offered by a particular database system. The most popular example of a database model is the relational model.A database model is a theory or specification describing how a database is structured and used. Several such models have been suggested. A data model is not just a way of structuring data: it also defines a set of operations that can be performed on the data. The relational model, for example, defines operations such as select, project, and join. Although these operations may not be explicit in a particular query language, they provide the foundation on which a query language is built.show more

Product details

  • Paperback | 140 pages
  • 152 x 229 x 8mm | 213g
  • Log Press
  • United States
  • English
  • 6136586010
  • 9786136586014