Praktische Informatik IV, FernUniversität Hagen
After a review of second-order signature essentials, this paper presents the system functionality, given by a uniform set of user commands valid for all data models, and the extensible system architecture. All common DBMS features are implemented in the system frame; only purely data model dependent functionality is coded in algebra modules, supported by a variety of tools. Furthermore, we describe the key strategies for extensible query processing in the SECONDO environment and explain the structure of algebra modules.
Keywords: Extensible database systems, extensible system architectures, algebra modules, extensible query processing, algebraic specifications
Published: FernUniversität Hagen, Informatik-Report 249, February 1999