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Authors: C. J. Date
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Type: BOOK - Published: 2020-06-06 - Publisher: Technics Publications

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This book is a revised, upgraded, and hugely improved version of an earlier one called Logic and Databases. Although it’s effectively a brand new book, theref
Logic and Databases
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Authors: C. J. Date
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Logic and databases are inextricably intertwined. The relational model in particular is essentially just elementary predicate logic, tailored to fit the needs o
SQL and Relational Theory
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Authors: C. Date
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SQL is full of difficulties and traps for the unwary. You can avoid them if you understand relational theory, but only if you know how to put the theory into pr
Database in Depth
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This concise guide sheds light on the principles behind the relational model, which underlies all database products in wide use today. It goes beyond the hype t
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All of today’s mainstream database products support the SQL language, and relational theory is what SQL is supposed to be based on. But are those products tru