如果表崩溃，则意味着您的ENGINE为NULL或为空。语法如下以检查崩溃的表。
SHOW TABLE STATUS FROM yourDatabaseName;
让我们实现上面的语法来检查崩溃的表在这里，我们的数据库名称为'test3'，其中包含一些表
show table status from test3;
以下是输出
+------------------------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+--------------------+----------+----------------+---------+ | Name | Engine | Version | Row_format | Rows | Avg_row_length | Data_length | Max_data_length | Index_length | Data_free | Auto_increment | Create_time | Update_time | Check_time | Collation | Checksum | Create_options | Comment | +------------------------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+--------------------+----------+----------------+---------+ | bestdateformatdemo | InnoDB | 10 | Dynamic | 4 | 4096 | 16384 | 0 | 0 | 0 | 5 | 2019-02-22 22:49:43 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | countdemo | InnoDB | 10 | Dynamic | 4 | 4096 | 16384 | 0 | 0 | 0 | 4 | 2019-02-26 15:21:12 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | deletedemo | InnoDB | 10 | Dynamic | 6 | 2730 | 16384 | 0 | 0 | 0 | NULL | 2019-02-13 19:20:04 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | differentdatetime | InnoDB | 10 | Dynamic | 4 | 4096 | 16384 | 0 | 0 | 0 | 5 | 2019-02-14 10:26:28 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | expandedoutputdemo | InnoDB | 10 | Dynamic | 4 | 4096 | 16384 | 0 | 0 | 0 | 5 | 2019-02-22 22:43:59 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | fieldlessthan5chars | InnoDB | 10 | Dynamic | 8 | 2048 | 16384 | 0 | 0 | 0 | 8 | 2019-02-13 19:03:05 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | lastrecordbeforelastone | InnoDB | 10 | Dynamic | 8 | 2048 | 16384 | 0 | 0 | 0 | 10 | 2019-02-14 17:31:59 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | mostrecentdatedemo | InnoDB | 10 | Dynamic | 6 | 2730 | 16384 | 0 | 0 | 0 | 6 | 2019-02-14 17:15:53 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | nullcasedemo | InnoDB | 10 | Dynamic | 6 | 2730 | 16384 | 0 | 0 | 0 | NULL | 2019-02-14 17:55:39 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | order | InnoDB | 10 | Dynamic | 8 | 2048 | 16384 | 0 | 0 | 0 | NULL | 2019-02-14 14:23:38 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | orderbydatethentimedemo | InnoDB | 10 | Dynamic | 4 | 4096 | 16384 | 0 | 0 | 0 | 5 | 2019-02-14 18:05:36 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | posts | InnoDB | 10 | Dynamic | 0 | 0 | 16384 | 0 | 32768 | 0 | NULL | 2019-02-13 18:19:06 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | productdemo | InnoDB | 10 | Dynamic | 4 | 4096 | 16384 | 0 | 0 | 0 | NULL | 2019-02-13 20:06:36 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | radiansdemo | InnoDB | 10 | Dynamic | 2 | 8192 | 16384 | 0 | 0 | 0 | 3 | 2019-02-14 14:33:24 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | selecttextafterlastslashdemo | InnoDB | 10 | Dynamic | 4 | 4096 | 16384 | 0 | 0 | 0 | 5 | 2019-02-22 23:07:32 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | siglequotesdemo | InnoDB | 10 | Dynamic | 0 | 0 | 16384 | 0 | 0 | 0 | NULL | 2019-02-14 10:41:23 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | storeddemo | InnoDB | 10 | Dynamic | 6 | 2730 | 16384 | 0 | 0 | 0 | 6 | 2019-02-26 15:53:57 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | studentinformation | InnoDB | 10 | Dynamic | 0 | 0 | 16384 | 0 | 0 | 0 | NULL | 2019-02-14 17:06:07 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | updatestringdemo | InnoDB | 10 | Dynamic | 2 | 8192 | 16384 | 0 | 0 | 0 | 3 | 2019-02-13 18:25:59 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | +------------------------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+--------------------+----------+----------------+---------+ 19 rows in set (0.71 sec)