A friend’s application started failing with MySQL causing error about timestamp columns and it needs urgent fixing from the database side. A timestamp column was not accepting the null values and they were sort of down. In this blog we will learn how MySQL is telling you, to follow what you say. When you define […]

In this blog we will create MySQL backup and then restore single table from Percona Xtrabackup without doing full restore. This post is basically a work-log in response to a feedback on my previous blog about MySQL Interview with ChatGPT. Here is a video recording of the steps described below for restoring single table from […]

Given the recent surge of interest in ChatGPT and the AI capabilities it offers, I decided to conduct an interview with it to assess its suitability for a MySQL Consultant position. This blog post is a result of that interview, during which I asked ChatGPT a range of questions related to MySQL and other relevant […]

Percona Tech Days are free, half-day events dedicated to the most popular open source database technologies: PostgreSQL, MongoDB and MySQL. This talk for MySQL was related to MySQL Encryption with Percona Server for MySQL Using Vault streamed on December 7th, 2022. (I understand this post is delayed a lot but better late than never.) In […]

This ProxySQL post is sourced from an error I faced recently ProxySQL has become one of the popular choice as the “proxy” for MySQL databases. This post is tipping you off for debugging connectivity issue and fixtures around it for a specific use-case. ProxySQL Connectivity Ofcourse while to connect ProxySQL we have two choices for […]

In the MySQL world, I am surrounded by some of the best database consultant, it brings them immense joy about having a “Friday”, so much so that they cannot believe that it actually is a Friday. Regardless of what they see on their watches and calendars, it becomes a crucial task of the day to […]

MySQL is one of the top used database system and with highly active community. Though without proper configuration you may not squeeze the most out of it.This will be a talk about the low hanging fruits to get the best outcome preferably in a short time or with small efforts. This will include configuration, performance […]

Two or more dots in your relay log or binary log names can break replication; but worry not, it will only do it once. If you request to start again, it will work. That’s it, that’s the blog. Should you choose to spend some more time, go ahead. A new MySQL 5.7 GTID replication chain […]

This post will guide you to set up and automate the MySQL logical backups using mysqldump on Ubuntu Linux. We will set-up MySQL backup using mysqldump and automate it with Holland backup framework on Ubuntu. Towards the end of the post, you have the steps to be executed in a single block which includes steps […]

Recently, we were affected by an ignored configuration option introduced in MySQL 5.6. This incident caused us to perform extended planning of downtime and the rebuilding of the slave. In this post, we’ll discuss our encounter with binlog_error_action and likely bad default. The incident started with an alert from our monitoring platform that a check […]