Virtual Columns in MySQL and Use cases.

Introduction: MySQL 5.7 introduces a new feature called virtual/generated column. It is called generated column because the data of this column is computed based on a predefined expression or from other columns. What is Virtual Column ? In general virtual columns appear to be normal table columns, but their values are derived rather than being … More Virtual Columns in MySQL and Use cases.

Scale With MaxScale – Part 2

In this post, We’re going share the details about Operation and Administration part of the MaxScale. To view Installation and Configuration of MaxScale checkout our previous blog. Before going through this week’s topic, I would highlight some recent change at MaxScale has went through. From Version 2.0, MaxScale license changed from GPLv2 to MariaDB BSL. MariaDB … More Scale With MaxScale – Part 2

InnoDB ‘Linux aio’ returned OS error 0. Cannot continue operation.

We had faced a weird error for one of our client under Emergency MySQL Support, it was a slave server. Client stated that whenever he tries to Start the replication it goes of loop of restarts. We had a sharing session with the client, At first we intended to rebuild the slave with a fresh … More InnoDB ‘Linux aio’ returned OS error 0. Cannot continue operation.