- Lab
- A Cloud Guru
PostgreSQL Database Replication Demo on Linux
In this lab you are working as a QA (Quality Assurance) engineer and have been tasked with confirming two PostgreSQL servers are correctly configured for Primary-Replica replication.
Path Info
Table of Contents
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Challenge
Connect to the Replica Server and Query It
Connect to the replica server using the psql client:
sudo -u postgres psqlConfirm that read-only queries work by listing the databases:
\lRun a write query, and confirm that it fails:
CREATE DATABASE DEMO; -
Challenge
Connect to the Primary Server and Query It
Connect to the primary server using the psql client:
sudo -u postgres psqlConfirm that write queries work:
CREATE DATABASE DEMO; -
Challenge
Query the Replica Server and Confirm Changes Made on Primary
Back on replica server, re-run the list database command.
\l
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