Abstract
A software organization which provides for data definition and manipulation in a distributed data base system is presented by describing the functions and interrelations of the component processes; with its methodology for access, the physical location of the data is transparent to the user program. The concepts of distributed data bases are discussed and current research is summarized as a means of establishing a method for the data placement and location mechanism. Procedures for the movement of data in a distributed data base system are presented, along with the data manipulation procedures, in terms of their performance and integrity effects. Enhancements to the mechanisms are suggested.
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