show variables like '%general%';
| general_log | OFF |
| general_log_file | /var/lib/mysql/iZ23goxo66aZ.log |
set @@global.general_log=1;
| general_log | ON |
| general_log_file | /var/lib/mysql/iZ23goxo66aZ.log |
注意：打开通用日志后，执行查询sql，也可以打印在日志文件中
set @@global.general_log=0;
| general_log | OFF |
| general_log_file | /var/lib/mysql/iZ23goxo66aZ.log |