A relational model of data for large shared data banks
Communications of the ACM
Concepts of a Data Independent Accessing Model
SIGFIDET '72 Proceedings of 1972 ACM-SIGFIDET workshop on Data description, access and control
Report to X3 on data definition languages
ACM SIGMOD Record
Evolution of Data-Base Management Systems
ACM Computing Surveys (CSUR)
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This paper explores some futures of database management. A review of the historical development of database management facilities reveals a dichotomy of systems into host-language database management systems for application programmers, and self-contained database management systems for nonprogramming users. Development trends indicate that future systems will combine facilities to serve both the programming and nonprogramming users, will be functionally more complete, and will offer greater data independence and a simpler user interface. The CODASYL Data Base Task Group proposal is the only possible candidate for a standard yet it still presents some serious weaknesses. With the development of systems based upon Codd's relational data model, IBM could become a dominant force in database management systems in the next decade. Emerging technology includes computer architectures with functionally-distinct, asynchronous processors some using associative processing techniques. A separate database management machine can yield better performance and greater data integrity.