$ docker exec -it mysql5.7 bash root@8db8fe0de68a:/# mysql ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) root@8db8fe0de68a:/# mysql -uroot -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.7.27 MySQL Community Server (GPL)
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mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 4 rows in set (0.00 sec)