Advances in Data Base Theory

Volume 1

Background for Advances in Data Base Theory.
Data Base Design.
On the Properties of Join Dependencies.
Decomposition of Relations: A Comprehensive Approach.
Adequacy of Decompositions of Relational Databases.
A Method for Helping Discover the Dependencies of a Relation.
General Laws: Deduction and Integrity.
On the Integrity of Typed First Order Data Bases.
Equations Compared with Clauses for Specification of Abstract Data Types.
Optimization in Deductive and Conventional Relational Database Systems.
On Evaluation of Queries Containing Derived Relations in a Relational Data Base.
Reasoning with Data in a Deductively Augmented Data Management System.
Informative Capabilities for Users.
A Formal Approach to Null Values in Database Relations.
About Natural Logic.
Assigning Meaning to Ill-Defined Queries Expressed in Predicate Calculus Language.
On the Feasibility of Informative Answers.
Name Index.
List of Referees.
Addresses of Contributing Authors.