数据库Table xxx is marked as crashed and should be repaired错误的解决方法服务器断电等原因可能导致数据表损坏，导致访问的时候提示：Table xxx is marked as crashed and should be repaired其中xxx为表的名称。
找到对应的表，使用 repair table table_name; 进行修复
mysql> select * from log_check_user;
ERROR 1194 (HY000): Table 'log_check_user' is marked as crashed and should be repaired
mysql> repair table log_check_user;
+----------------------+--------+----------+-------------------------------------------------+
| Table | Op | Msg_type | Msg_text |
+----------------------+--------+----------+-------------------------------------------------+
| sg456.log_check_user | repair | info | Wrong bytesec: 0- 0- 0 at 68974624; Skipped |
| sg456.log_check_user | repair | warning | Number of rows changed from 428999 to 428998 |
| sg456.log_check_user | repair | status | OK |
+----------------------+--------+----------+-------------------------------------------------+
3 rows in set (24.87 sec) mysql> select * from log_check_user;