M
Morton M. Astrahan
Researcher at IBM
Publications - 19
Citations - 4743
Morton M. Astrahan is an academic researcher from IBM. The author has contributed to research in topics: Relational database & Relational model. The author has an hindex of 14, co-authored 19 publications receiving 4628 citations.
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Proceedings ArticleDOI
Access path selection in a relational database management system
TL;DR: System R as mentioned in this paper is an experimental database management system developed to carry out research on the relational model of data, which chooses access paths for both simple (single relation) and complex queries (such as joins), given a user specification of desired data as a boolean expression of predicates.
Journal ArticleDOI
System R: relational approach to database management
Morton M. Astrahan,M. W. Blasgen,Donald D. Chamberlin,Kapali P. Eswaran,Jim Gray,P. P. Griffiths,W. F. King,Raymond A. Lorie,Paul McJones,J. W. Mehl,G. R. Putzolu,Irving L. Traiger,B. W. Wade,V. Watson +13 more
TL;DR: This paper contains a description of the overall architecture and design of the system, and emphasizes that System R is a vehicle for research in database architecture, and is not planned as a product.
Journal ArticleDOI
SEQUEL 2: a unified approach to data definition, manipulation, and control
Donald D. Chamberlin,Morton M. Astrahan,Kapali P. Eswaran,P. P. Griffiths,Raymond A. Lorie,J. W. Mehl,Phyllis Reisner,B. W. Wade +7 more
TL;DR: SEQUEL 2 is a relational data language that provides a consistent, English keyword-oriented set of facilities for query, data definition, data manipulation, and datac ontrol.
Journal ArticleDOI
A history and evaluation of System R
Donald D. Chamberlin,Morton M. Astrahan,Michael W. Blasgen,Jim Gray,W. Frank King,Bruce G. Lindsay,Raymond A. Lorie,James W. Mehl,T. G. Price,Franco Putzolu,Patricia G. Selinger,Mario Schkolnick,Donald R. Slutz,Irving L. Traiger,B. W. Wade,Robert A. Yost +15 more
TL;DR: System R as mentioned in this paper is an experimental database system designed to demonstrate that the usability advantages of the relational data model can be realized in a system with the complete function and high performance required for everyday production use.