On Mon, Sep 25, 2017 at 8:04 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
Garry Chen <gc92@cornell.edu> writes: > I am testing a dblink connection from RDS postgresql database to a remote oracle instance but I am getting could not establish connection error. Where did I do wrong and please help.
As somebody already explained to you, dblink only does postgres-to-postgres connections.
What you need for this is oracle_fdw. I do not know how well that's maintained, but it exists
.
Maintenance aside I'm not sure whether its been whitelisted for use in RDS. The OP might need to run an EC2 instance so they can install custom extensions.
