Re: Connecting 2 databases within the same instance

Google is your friend.  Searching for "postgresql dblink" and "postgresql fdw" take you right to the documentation:
https://www.postgresql.org/docs/15/dblink.html
https://www.postgresql.org/docs/current/postgres-fdw.html

DB Link is much older, while FDW has better syntax and is usually faster:
"
The functionality provided by this module overlaps substantially with the functionality of the older dblink module. But postgres_fdw provides more transparent and standards-compliant syntax for accessing remote tables, and can give better performance in many cases.
"

Hi,

Are you saying that Db Link is existing in the Postgress or just referring to FDW ?

Sarwar

Sent from my Galaxy

-------- Original message --------

From: swastik Gurung <gurung_swastik@yahoo.com>

Date: 10/13/23 9:37 PM (GMT-05:00)

To: pgsql-admin@postgresql.org, M Sarwar <sarwarmd02@outlook.com>

Subject: Re: Connecting 2 databases within the same instance

I think any of the two contrib module dblink and/or postgres_fdw could help

On Saturday, 14 October 2023 at 03:38:33 GMT+5:45, M Sarwar <sarwarmd02@outlook.com> wrote:

 

 

Hello,

 

 I have one instance and two database within it. What is the simplest approach which I can adopt to connect these 2 database to one another.

I want to have the ability to connect to any table. For example database link in Oracle databases. How can I deploy this gracefully?

 

Thanks,

Sarwar