Implications of keycloak database migration from H2 DB to Postgresql - postgresql

I have an assignment to upgrade Keycloak database from embedded H2 DB to PostgreSQL.
Can anyone suggest following the steps or procedure?

Related

Can Keycloak integrated with greenplum database?

Can Greenplum database be used for keycloak in production environment?

fetch data from postgreSQl db to oracle Db using PlsQl

We have a PostgreSQL which is installed in openshift container DB.
I wanted to fetch data from few tables in Postgres Db(PostgreSQL) and load it to Oracle Db.
Please give me some idea on how to connect and fetch the data from Postgres.
Thanks!

Inserting differntial data into postgresql table from db2 table trough trigger

I am looking the differential data load from db2 tables to PostgreSQL. Is there any free tool? or how I can write the trigger to connect two databases?
will db2_fdw in PostgreSQL will help me to do this?
You can't write to nicknames in triggers in Db2.
You may use SQL Replication to a federated data source (PostgreSQL in you case) depending on your Db2 version.
11.5 Federation for PG
11.1 Federation for PG

Upload PostgreSQL Database to AWS

I have a PostgreSQL database . How I can migrate this to Amazon Web Service RDS??
I don't understand how to do it. Is it using Database Migration Service on AWS?
You can use AWS Database Migration Service, but that seems like an overkill if you migrate from PostgreSQL to PostgreSQL. Database Migration Service allows data migration between different RDBMS and even between NoSQL databases and RDBMS.
Just dump your database with pg_dump and restore it to RDS instance with pg_restore.

How to restore PostgreSQL database schema dump into different database (Eg: Apache Derby,H2)?

I am writing a JUnit test which needs an in-memory database.
We are using PostgreSQL database and it can't be used as in-memory database.
Could you provide any suggestions on how to restore a PostgreSQL schema dump into different in-memory database (eg: Apache Derby, H2)?