Database Explorations

Livro digital

Título:
Database Explorations

Autor:
C.J. Date, Hugh Darwen

Categoria:
Tecnologia > Dados

Doador:
Raffaello D. N.

Sinopse:
Database Explorations gathers a wide-ranging set of essays for readers who care about the deeper questions behind database design, especially the relational model and The Third Manifesto. The table of contents makes that scope clear from the start: it opens with the foundations of predicates, types, nulls, and view updating, then moves into language design, inheritance, and the tensions between theory and implementation. The book is organized as five parts, with chapters that revisit long-running debates from multiple angles. It examines subjects such as Tutorial D, inclusion dependencies, foreign keys, image relations, n-adic operators, prenex normal form, and the behavior of nulls and three-valued logic. Later sections broaden the discussion to missing information, normalization, multirelations, and alternative type-based approaches, which gives the collection a strong mix of critique, clarification, and proposal. This is a book for readers who want more than a surface tour of databases. Its value lies in the precision of the arguments and the breadth of the index-like survey of relational ideas, not in introductory hand-holding. The result is a rigorous, opinionated map of database theory that rewards careful readers with sharper vocabulary, stronger design instincts, and a clearer sense of why certain “solutions” in SQL and database practice remain controversial.