Digital platform ER diagram modeling user management, role-based access, coach assignments, training modules with progress tracking, and diagnostic assessments. Users link to Roles and optional Coaches, while TrainingModules organize content by TrainingCategory and track completion via TrainingProgress. Diagnostics capture user assessments through DiagnosticQuestions, DiagnosticAnswers, and DiagnosticResults with bankability scoring. This schema supports multi-tenant training platforms requiring learner progression, coach-student relationships, and diagnostic-driven personalization. Fork and customize this diagram on Diagrams.so to adapt entity relationships, add payment or certification tables, or extend diagnostic result analytics.