| Tabla | Existe | Registros | Columnas |
|---|
| era50_courses | SÍ | 2 | id, title, slug, description, hours, level, category, instructor, cover_image, featured, sort_order, published, certificate_enabled, certificate_min_progress, certificate_requires_exam, certificate_manual_approval, created_at, updated_at |
| era50_modules | SÍ | 38 | id, course_id, title, description, published, sort_order |
| era50_lessons | SÍ | 411 | id, module_id, title, content, duration_minutes, lesson_type, video_url, pdf_url, published, sort_order |
| era50_tests | SÍ | 41 | id, course_id, module_id, lesson_id, title, pass_percent, max_attempts, published |
| era50_questions | SÍ | 2010 | id, test_id, question, explanation, sort_order |
| era50_answers | SÍ | 8040 | id, question_id, answer_text, is_correct |
| era50_students | SÍ | 1 | id, external_user_id, full_name, email, password_hash, status, created_at, active |
| era50_enrollments | SÍ | 1 | id, student_id, course_id, status, enrolled_at, approved_at, completed_at, notes |
| era50_progress | SÍ | 0 | id, enrollment_id, lesson_id, completed, completed_at |
| era50_certificates | SÍ | 0 | id, enrollment_id, certificate_code, status, issued_at, approved_by, revoked_at, revocation_reason |