The conceptual design stage is the stage where an identified need is examined, requirements for potential solutions are defined, potential solutions are evaluated and a system specification is developed. The system specification represents the technical requirements that will provide overall guidance for system design. Because this document determines all future development, the stage cannot be completed until a conceptual design review has determined that the system specification properly addresses the motivating need.

Key steps within the conceptual design stage include:

  • Need identification
  • Feasibility analysis
  • System requirements analysis
  • System specification
  • Conceptual design review
Relational data model
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