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The Standalone Single-User Model is part of FairCom’s non-client/server architecture offering single-user capabilities, meaning only one process may open a given file.
With the Standalone Single-user Model, your application is linked with the FairCom DB database engine that supplies a Function API in the form of a static library, DLL, or shared library. All file related operations are done through the FairCom DB API, which ultimately utilizes your compiler’s runtime library routines, (i.e., open, close, read, write, etc.). The file I/O, or disk I/O is cached to improve performance.
Applications designed to have only one user accessing files at a time can use this non-server single user mode. All of the capabilities of FairCom DB are supported, with the exception of file security control and encryption. The FairCom DB code will be linked as a part of your application. The developer can specify the amount of memory to be used for file buffering, which can have a significant effect on the speed of the system. Full source code is included, which allows the developer to move the product to any operating environment that supports the C language. The caching offered by the single-user model provides better throughput than the multi-user model.
This model provides an easy migration path to the client/server model with features such as: robust data concurrency, multi-user data integrity through on-line Transaction Processing (OLTP), and all of the other features offered by the client/server model.
Benefits
Considerations
