image
if u want use AWS and connect in SQLDev, here's the step
1. which DBMS you using? if MySQL, download file in google mysql-connector-j-9.3.0
2. import the jar file in SQLDev
3. after that make new database connection and click the "Database Type = MySQL"
4. fill the username and password from the AWS web
5. and the hostname fill it with the auth token or the url from AWS web
6. try test if "Success", it done