When the instance is created, AWS can generate a password or you can provide one. This is the only time this password will be accessible. If you do not store it here you will have to create a new password and restart the instance.
In the RDS console, select the list of instances.
Click through to the MySQL instance that you want. In the screenshot below, take note of the Endpoint (which will be the hostname) and the Public Accessibility.
To improve the security of this situation, you should restrict which IP addresses can connect to this database. You can check what your machine's IP address is often by searching on Google.
In a SQL client like Arctype, you now can enter the
Database to connect. In MySQL, the default database is just
mysql. If you are modifying the instance (for example changing the security group), it can take a few moments for changes to apply.
Click Test Connection to check if everything worked and Save!