📋 表：question_attempts
共 5 条记录，每页 20 条
| id INTEGER | question_id INTEGER | user_id INTEGER | set_id INTEGER | user_answer TEXT | is_correct INTEGER | score_earned REAL | time_spent INTEGER | attempt_no INTEGER | device_info TEXT | created_at TIMESTAMP | 操作 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | null | 1 | NULL | [1] | 1 | 0 | 0 | 1 | NULL | 2026-06-29 15:32:21 | 编辑 |
| 3 | null | 1 | NULL | [1] | 1 | 0 | 0 | 1 | NULL | 2026-06-29 15:32:46 | 编辑 |
| 4 | null | 1 | NULL | [1] | 1 | 0 | 0 | 1 | NULL | 2026-06-29 15:34:09 | 编辑 |
| 5 | null | 1 | NULL | [1] | 1 | 0 | 0 | 1 | NULL | 2026-06-29 15:34:32 | 编辑 |
| 6 | null | 1 | NULL | [1] | 1 | 0 | 0 | 1 | NULL | 2026-06-29 15:35:03 | 编辑 |