修改

“djh”

2025-09-23 f7a6a108af93eb225299e771f9958eae36f776bf

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ALTER TABLE `train_exam`.`ex_student_answer`
MODIFY COLUMN `answer` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL COMMENT '答案';
 
ALTER TABLE `train_exam`.`ex_exercise_answer`
MODIFY COLUMN `answer` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci  NULL COMMENT '答案';