CREATE USER '{username}'@"{from_domain(ipaddress)}" IDENTIFIED BY "{password}"; ex) CREATE USER 'watashi'@"192.168.%" IDENTIFIED BY "hoge"; CREATE USER 'watashi'@"172.21%" IDENTIFIED BY "hoge"; 新規ユーザーの場合、↑をmysql.dbに流し込むと自動で、mysql.userにレコードが出来る。 このとき、権限はなんにもない状況。 権限の付与: GRANT 主な権限の種類 コマンド 内容
![MySQLへユーザー追加の手順 grant, revoke - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/db6b6cb3d627dfea70326a952a1c6828cbbba22f/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9TXlTUUwlRTMlODElQjglRTMlODMlQTYlRTMlODMlQkMlRTMlODIlQjYlRTMlODMlQkMlRTglQkYlQkQlRTUlOEElQTAlRTMlODElQUUlRTYlODklOEIlRTklQTAlODYlMjBncmFudCUyQyUyMHJldm9rZSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnR4dC1jbGlwPWVsbGlwc2lzJnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9MDQwOGMxZjk1ZDNjNzVkYjY0NzA4OWEyMjQxMWIxNjI%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwY29sb3JyYWJiaXQmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPTEyODA2ODFkZmJlOWU3NGVhNmZjNzA2MGMyNzRlM2I0%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3Ddd48d63a9b09435e6519be16f73db61b)