3 thoughts on “How to install and download Oracle SQL Developer on Ubuntu ?

  • with this way a connection to Database is not possible. How you know the system PW?

  • how do you actually create a new connection? did you create a TNS file? If so, would you be so kind to point to the direction. I tried connecting using the default username/password (system/oracle) but i get a "Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection (CONNECTION_ID=0pdMifzjQ7Sh3psJfp7PkA=

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