-- =============================================
-- EduNexus Pro - 清理脚本  
-- 危险操作！仅用于开发环境
-- =============================================

SET FOREIGN_KEY_CHECKS = 0;

DROP TABLE IF EXISTS `submission_details`;
DROP TABLE IF EXISTS `student_submissions`;
DROP TABLE IF EXISTS `assignments`;
DROP TABLE IF EXISTS `exam_nodes`;
DROP TABLE IF EXISTS `exams`;
DROP TABLE IF EXISTS `question_knowledge`;
DROP TABLE IF EXISTS `questions`;
DROP TABLE IF EXISTS `knowledge_points`;
DROP TABLE IF EXISTS `textbook_lessons`;
DROP TABLE IF EXISTS `textbook_units`;
DROP TABLE IF EXISTS `textbooks`;
DROP TABLE IF EXISTS `subjects`;
DROP TABLE IF EXISTS `class_members`;
DROP TABLE IF EXISTS `classes`;
DROP TABLE IF EXISTS `grades`;
DROP TABLE IF EXISTS `schools`;
DROP TABLE IF EXISTS `application_users`;

SET FOREIGN_KEY_CHECKS = 1;

SELECT '所有表已删除' AS Status;