Appendix

Chamilo 3.0 maps a large set of Doctrine entities to database tables. The exact counts drift between releases — read the entity directories listed below for the current state.

Entity locations

Bundle	Where	Prefix
CoreBundle	src/CoreBundle/Entity/	None (e.g., user, course, session)
CourseBundle	src/CourseBundle/Entity/	c_ (e.g., c_document, c_quiz, c_lp)
LtiBundle	src/LtiBundle/Entity/	lti_

Key Tables

User and Authentication

Table	Purpose
user	User accounts
access_url	Multi-URL portals
access_url_rel_user	User-portal assignments
usergroup	Platform-wide user groups

Courses

Table	Purpose
course	Courses
course_category	Course categories
course_rel_user	Course enrollments

Sessions

Table	Purpose
session	Training sessions
session_rel_user	Session enrollments
session_rel_course	Courses in sessions
session_rel_course_rel_user	User enrollment per session-course

Resource System

Table	Purpose
resource_node	Unified content abstraction
resource_file	File attachments
resource_link	Visibility/access per context
resource_type	Resource type registry

Course Content (c_ prefix)

Table	Purpose
c_document	Documents
c_quiz	Exercises/tests
c_quiz_question	Quiz questions
c_quiz_answer	Question answers
c_lp	Learning paths
c_lp_item	Learning path items
c_forum_category	Forum categories
c_forum_forum	Forums
c_forum_thread	Forum threads
c_forum_post	Forum posts
c_student_publication	Assignments/submissions
c_survey	Surveys
c_glossary	Glossary terms
c_calendar_event	Calendar events
c_attendance	Attendance sheets

Tracking

Table	Purpose
track_e_login	Login tracking
track_e_online	Online user tracking
track_e_default	Generic activity tracking
gradebook_category	Gradebook categories
gradebook_result	Grades

Settings

Table	Purpose
settings	Platform settings
settings_options	Setting option definitions

Migrations

Database schema changes are managed through Doctrine Migrations in src/CoreBundle/Migrations/. Run migrations with:

php bin/console doctrine:migrations:migrate