MariaDB(MySQL)で変数確認
例えばタイムゾーンを確認するとき
MariaDB [(none)]> show variables like '%time_zone%'; +------------------+------------+ | Variable_name | Value | +------------------+------------+ | system_time_zone | JST | | time_zone | Asia/Tokyo | +------------------+------------+ 2 rows in set (0.003 sec)