Small to Medium Database Application
This entry describes the Software Development Life Cycle (SDLC) for small to medium database application development efforts.This entry presents an overview of the SDLC, alternate lifecycle models, and associated references.
The SDLC WATERFALL
- Small to medium database software project are generally broken down into six stages.
The relationship of each stage to the others can be roughly describe as a waterfall, where the outputs from a specific stage serve as the initial inputs for the following stage.
During each stage, additional information is gathered or developed, combined with the inputs, and used to produce the stage deliverables. It is important to note that the additional information is restricted in scope, "New ideas" that would take the project in directions not anticipated by the initial set of high-level requirements are not incorporated into the project. Rather, ideas for new capabilities or features that are out-of-scope are preserved for later consideration.
After the project is completed, the Primary Development Representative (PDR) and Primary End-User Representative (PER) in concert with other customer and development team personnel develop a list of recommendations for enhancement of the current software.
As conclusion, the structure imposed by this SDLC is specifically designed to maximize the probability of a successful software development effort. To accomplish this, the SDLC relies on four primary concepts:
- Scope Restriction
- Progressive Enhancement
- Pre-defined Structure
- Incremental Planning
These four concepts combine to mitigate the most common risks associated with software development efforts.
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