业务流程

buiness表

users表

business_subcategories

majors

roles

group_courses表

group_course_enrolls

schools

famous_teacher

business_categories

guest

business_category_advertisements

homepage_advertisement

buiness_activities

expierence_courses

business_activity_enrolls

enroll表

vedios

locations

business_subcategory_business_relationships

advertisment表

outstanding_students