Distributed data access methods and apparatus for process...

Details Distributed data access methods and apparatus for process... Distributed data access methods and apparatus for process...

2003-03-03

2010-10-05

Corrielus, Jean M (Department: 2162)

Data processing: database and file management or data structures

File or database maintenance

C707S626000, C707S633000, C707S635000, C707S610000

Reexamination Certificate

active

07809679

ABSTRACT:
Systems and methods of accessing a database associated with a process control system send a request for information from a client application to an intermediate data server process and determine if the information is stored within a data source associated with the intermediate data server process. The systems and methods also send a request for the information from the intermediate data server process to another process if the information is not stored within the data source and access the database to retrieve the information subsequent to the other process receiving the request for the information.

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