D.D. Chamberlin, J.N. Gray, et al.
National Computer Conference AFIPS 1975
System R is a database management system which provides a high level relational data interface. The systems provides a high level of data independence by isolating the end user as much as possible from underlying storage structures. The system permits definition of a variety of relational views on common underlying data. Data control features are provided, including authorization, integrity assertions, triggered transactions, a logging and recovery subsystem, and facilities for maintaining data consistency in a shared-update environment. This paper contains a description of the overall architecture and design of the system. At the present time the system is being implemented and the design evaluated. We emphasize that System R is a vehicle for research in database architecture, and is not planned as a product. © 1976, ACM. All rights reserved.
D.D. Chamberlin, J.N. Gray, et al.
National Computer Conference AFIPS 1975
Linda G. DeMichiel, D.D. Chamberlin, et al.
ICDE 1993
M.W. Blasgen, M.M. Astrahan, et al.
IBM Systems Journal
D.D. Chamberlin
IDEAS 2001