This is a demonstration on how to use WebStorm's Database Navigator plugin to take a look at your database without having to leave the application.
The download link for PostgreSQL jdbc driver is: https://jdbc.postgresql.org/download.html
The link for their documentation is: https://jdbc.postgresql.org/documentation/documentation.html
The url for accessing your Postgres database running locally is jdbc:postgresql:
The url for accessing your Postgres database running remotely is jdbc:postgresql://"website url"/postgres
The download link for MySQL jdbc drive is: http://dev.mysql.com/downloads/connector/j/