Advances in Data Base Theory: Volume 1

During the 1970's a theory of data ases began to evolve pro- viding a foundation for some existing tools and techniques. The significance of this theory is beginning to have an impact particu- larly with respect to the design and implementation of the relational model of data bases. To further the state of the art in the theory of data bases, a workshop was held in TOulouse, France on December 12-14, 1979. The workshop was a sequel to one held two years previously and entitled, "Logic and D...