Name: Applications of Logic Databases (en Inglés)
Price: 140.43 USD
Availability: InStock
Author: Ramakrishnan, Raghu
ISBN: 9781461359265

portada Applications of Logic Databases (en Inglés)

Applications of Logic Databases (en Inglés)

Formato

Libro Físico

Editorial

Springer

Autor

Ramakrishnan, Raghu

Idioma

Inglés

N° páginas

280

Encuadernación

Tapa Blanda

Dimensiones

23.4 x 15.6 x 1.7 cm

Peso

0.44 kg.

ISBN13

9781461359265

Categorías

Compiladores e intérpretes
Sistemas expertos/sistemas basados en el conocimiento

Applications of Logic Databases (en Inglés)

Ramakrishnan, Raghu (Autor) · Springer · Tapa Blanda

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Reseña del libro "Applications of Logic Databases (en Inglés)"

The premise behind developing powerful declarative database languages is compelling: by enabling users to specify their queries (and their integrity constraints) in a clear, non-operational way, they make the user's task easier, and provide the database system with more opportunities for optimization. Relational database systems offer a striking proof that this premise is indeed valid. The most popular relational query language, SQL, is based upon relational algebra and calculus, i.e., a small fragment of first-order logic, and the ease of writing queries in SQL (in comparison to more navigational languages) has been an important factor in the commercial success of relational databases. It is well-known that SQL has some important limitations, in spite of its success and popUlarity. Notably, the query language is non-recursive, and support for integrity constraints is limited. Indeed, recognizing these problems, the latest standard, SQL-92, provides increased support for integrity constraints, and it is anticipated that the successor to the SQL-92 standard, called SQL3, RECURSIVE UNION operation [1]. Logic database systems have will include a concentrated on these extensions to the relational database paradigm, and some systems (e.g., Bull's DEL prototype) have even incorporated object-oriented features (another extension likely to appear in SQL3).