1. Check the error log for the MySQL 1864 error. This can be done by running the following command:
mysql> SHOW GLOBAL VARIABLES LIKE 'log_error';
2. Check the error log file for the MySQL 1864 error. This can be done by running the following command:
mysql> SHOW GLOBAL VARIABLES LIKE 'log_error_file';
3. Check the MySQL configuration file for any misconfigurations. This can be done by running the following command:
mysql> SHOW GLOBAL VARIABLES LIKE 'my.cnf';
4. Check the MySQL server version. This can be done by running the following command:
mysql> SELECT VERSION();
5. Check the MySQL server status. This can be done by running the following command:
mysql> SHOW GLOBAL STATUS;
6. Check the MySQL server process list. This can be done by running the following command:
mysql> SHOW PROCESSLIST;
7. Check the MySQL server variables. This can be done by running the following command:
mysql> SHOW GLOBAL VARIABLES;
8. Check the MySQL server log files. This can be done by running the following command:
mysql> SHOW GLOBAL LOGS;
9. Check the MySQL server configuration files. This can be done by running the following command:
mysql> SHOW GLOBAL CONFIGURATION;
10. Check the MySQL server user privileges. This can be done by running the following command:
mysql> SHOW GRANTS FOR CURRENT_USER;
11. Check the MySQL server system variables. This can be done by running the following command:
mysql> SHOW GLOBAL SYSTEM VARIABLES;
12. Check the MySQL server performance variables. This can be done by running the following command:
mysql> SHOW GLOBAL PERFORMANCE_SCHEMA VARIABLES;
13. Check the MySQL server log files for any errors. This can be done by running the following command:
mysql> SHOW GLOBAL ERROR LOGS;
14. Check the MySQL server for any corrupt tables. This can be done by running the following command:
mysql> CHECK TABLE tablename;
15. Check the MySQL server for any corrupt databases. This can be done by running the following command:
mysql> CHECK DATABASE databasename;
16. Check the MySQL server for any corrupt indexes. This can be done by running the following command:
mysql> CHECK INDEX indexname;
17. Check the MySQL server for any corrupt views. This can be done by running the following command:
mysql> CHECK VIEW viewname;
18. Check the MySQL server for any corrupt triggers. This can be done by running the following command:
mysql> CHECK TRIGGER triggername;
19. Check the MySQL server for any corrupt stored procedures. This can be done by running the following command:
mysql> CHECK PROCEDURE procname;
20. Finally, it is recommended to use an automated database observability tool to monitor and fix the MySQL 1864 in question. This tool can provide real-time insights into the performance and health of the database, as well as alerting when any issues arise. It can also provide detailed analysis of the root cause of any issues, allowing for quick and efficient resolution.