Can't get the Postgresql driver to work

[clynchmd]

The Driver in the image gives a error. What should I use instead?

[clynchmd]

Note the below also fails.

[momeni]

The second image (i.e., org.postgresql.Driver) is correct. But you need to download the JDBC driver and add it to the classpath (using the Database>Classpath... menu) beforehand.