Before you attempt to perform any schema changes on your production databases, you should make sure that you have a rock solid rollback plan; and that your change procedure has been successfully tested and validated...

This post is a continuation of our previous post on Online Schema Upgrade in Galera using TOI method. We will now show you how to perform a schema upgrade using the Rolling Schema Upgrade (RSU)...

Thanks to everyone who joined us for our recent live webinar on ‘Schema Changes for MySQL Replication & Galera Cluster’ led by Krzysztof Książek, Senior Support Engineer at Severalnines. The replay and slides to the...

Database schema changes are not popular among DBAs, not when you are operating production databases and cannot afford to switch off the service during a maintenance window. These are unfortunately frequent and necessary, especially when...

As a follow-up to the Webinar on Zero Downtime Schema Changes in Galera Cluster, we’ll now walk you through the detailed steps on how to update your schema. The two methods (TOI and RSU) have both...

Thanks to everyone who attended yesterday’s webinar; if you missed the sessions or would like to watch the webinar again & browse through the slides, they are now available online.          ...