chore: initial import to Nexus_Edu

database/drop.sql

@@ -0,0 +1,28 @@
+-- =============================================
+-- 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;