(Peter Zaitsev) In this blog post, I will show you how to use Percona Monitoring and Management (PMM) to capture per-process metrics in five minutes or less.

The UTF-8 is a variable-length encoding. In the case of UTF-8, it means that storing one code point requires one to four bytes. But, In MySQL’s encoding called “utf8” only stores a maximum of three bytes per code point.

(Sebastian Insausti) Working with databases, concurrency control is the concept that ensures that database transactions are performed concurrently without violating data integrity.

Recently we were evaluating MySQL 8 Enterprise for a customer. During our installation (our MySQL Enterprise Edition installations are always RPM based) using RPM file (CentOS Linux release 7.4.1708 (Core)) we ended up in a very unusual error, “error: Failed dependencies:pkgconfig(openssl) is neede

(Rathish Kumar) This post is about setting up MySQL InnoDB Cluster with 5 nodes on a sandbox deployment. Here, we focus on implementation part, the core concepts will be explained in separate posts.

(Mark Lewin) A really convenient feature in MySQL 8.0 is the ability to persist the values of global variables across server restarts, without writing them into an options file. This was developed primarily for the benefit of Cloud installations of MySQL, but is very handy for a DBA in on-premise in

(Dave Stokes) InnoDB Cluster is major revolution for MySQL Replication but it is often hard to test out new technologies without a major investment in time, hardware, and frustration. But what if there was a quick and easy way to set up a test InnoDB Cluster?

(Rob Gravelle) I was perusing the new questions on dba.stackexchange.com when I happened upon a question on How to see special characters in MySQL Workbench query results. Intrigued, I checked it out.

(Shree Nair) MariaDB came into being the day that Oracle announced the purchase of Sun in 2010. In order to keep it free under the GNU GPL, Michael Widenius forked MySQL and took several MySQL developers with him in the process.

(Dov Endress) MySQL, coupled with the InnoDB engine, provides full ACID compliance. With the addition of “eXtended Architecture” (XA) technology, they can all act in a distributed atomic environment.