… of first-order logic" . We describe a deductive database as a first-order theory from which
answers to querie s are obtained according to the notion of "provable in first-order logic" . Saying…

… of logical systems in the context of its relevance to database systems. The objective is to show
through illustrations what can be incorporated into relational database … with databases is …

… Now, if you're a database professional, I'm sure this isn't news to you; but you still might not …
we do in the database world is-or should be!-affected by predicate logic. Logic is everywhere. …

… , the importance of the two performance aspects, response … database topics. Since the
main aim of the book is to introduce students to the conceptual and logical aspects of databases, …

… of first-order logic". We describe a deductive database as a first-order theory from which
answers to queries are obtained according to the notion of "provable in first-order logic". Saying, …

… The formalization of relational databases in terms of logic and the extensions … databases
through logic has played a significant role in our understanding of what constitutes a database, …

… in existing relational databases, and one that the prototype logic database systems should
… syntax using the interface, and CORAL queries are generated and executed in response. …

… impact that logic programming has had on databases. In particular, logic programming has
… of the semantics of a database, has extended the concept of relational databases, and has …

… Since the count of requested results determines the response time of the database … improves
the response time. If the condition on references were not considered in the database query…

… database D 0 in response to the action α. In this paper, we consider the general problem of
progressing an initial database in response … database we must appeal to second order logic. …