| ⇢ | A | Version20200821224242 added |
| ⇢ | A | CourseCategoryRepository::updateCourseRelCategoryB... added | |
| ⇢ | A | CourseCategoryRepository::getCategoriesByCourseIdA... added | |
| ⇢ | A | Version20200821224242::getDescription() added | |
| ⇢ | A | Version20200821224242::down() added | |
| ⇢ | A | Version20200821224242::up() added | |
| ⇢ | A | Course::setCategories() added | |
| ⇢ | A | Course::addCategory() added | |
| ⇢ | A | Course::getCategories() added | |
| ⇢ | A | Course::removeCategory() added | |
| A | ↛ | Course::setCategory() removed | |
| A | ↛ | Course::getCategory() removed |