A LOGICAL DATABASE MANAGEMENT SYSTEM

1. Abstract Logic offers a uniform environment both for data description and program execution and provides a powerful programming language with the use of "headed" queries. Relational data model proved to be the best model of the "conventional" database theory This paper describes the advantages of connecting a relational database management system (RDBMS) with logic programming, building a logical DBMS (LDBMS) that extends the power of the relational data model. Relations are described both by facts (assertions) and rules (deductions), so data become more meaningful, and complex queries can be answered. Memory organisation also provides space saving and efficient indexing using b-trees instead of sequential searching.