The new data dictionary in MySQL 8.0 is mostly transparent to users upgrading, in that an import process is automatically run on first-start, and the semantics of DDL (creating tables, adding indexes etc) remain the same. There is however one major exception, and that is how failure cases are handled.…

Above the events announced on September 15, 2017 MySQL experts and / or MySQL Community team is going to attend following events below. Please mark your calendars for:

• MySQL User Camp, Bangalore, India, November 10, 2017
  • Next MySQL User Camp in Bangalore, India will be hold on Nov 10, see details below:
    • Date: November 10, 2017
    • Time: 3-5:30 pm
    • Agenda:  
      • Router with Demo
      • InnoDB Features in 5.7
      • MySQL Enterprise Backup: A deep dive
    • Venue: …

Dear MySQL users,

MySQL Connector/Net 6.9.10 is a maintenance release for the 6.9.x
series of the .NET driver for MySQL. It can be used for production
environments.

It is appropriate for use with MySQL server versions 5.5-5.7.

It is now available in source and binary form from
http://dev.mysql.com/downloads/connector/net/#downloadsandmirrorsites
(note that not all mirror sites may be up to date at this point-if you
can’t find this version on some mirror, please try again later or choose
another download site.)

Changes in MySQL Connector/Net 6.9.10 (2017-10-23, General Availability)

   Bugs Fixed

     * Executing MySql.Web.Security.CreateUserAndAccount with
       valid arguments returned an out-of-range exception.
       Thanks to Stein Setvik for contributing to the …

Percona announces the release of Percona Monitoring and Management 1.4.0.

This release introduces the support of external Prometheus exporters so that you can create dashboards in the Metrics monitor even for the monitoring services other than those provided with PMM client packages. To attach an existing external Prometheus exporter, run pmm-admin add external:metrics NAME_OF_EXPORTER URL:PORT.

The list of attached monitoring services is now available not only in the tabular format but also as a JSON file to enable automatic verification of your configuration. To view the list of monitoring services in the JSON format run pmm-admin list --json.

In this release, Prometheus and Grafana have been upgraded. Prometheus …

Join Percona Chief Evangelist Colin Charles as he covers happenings, gives pointers and provides musings on the open source database community.

I spent all of this week at O’Reilly Velocity EU London. I gave a tutorial, a talk and generally networked with attendees (besides my normal evangelical duties). I’ll write some thoughts on it later (probably in a couple of weeks, as Open Source Summit Europe happens next week – and Percona has a booth there).

This will be a quick, short post.

Releases

A few security releases this past week, with some bug fixes as well:

• …

Notes/errata/updates for Chapter 7:
See the official book errata at http://tahaghoghi.com/LearningMySQL/errata.php – Chapter 7 includes pages 223 – 275.

Supplemental blog post – ORDER BY NULL – read the blog post and the comments!

GROUP BY and HAVING examples – Supplemental blog post. The example of HAVING in the text shows a use case where HAVING is the same function as WHERE. This blog posts shows examples of HAVING that you cannot do any other way.

In the section called “The GROUP BY clause”, on pages 231-232, the book says:
“you can count any column in a group, and you’ll get the same answer, so COUNT(artist_name) is the same as …

You may know Continuent Tungsten for our highly advanced MySQL replication tool, Tungsten Replicator, and for our state-of-the-art MySQL clustering solution, Tungsten Clustering. Our solutions are used by leading SaaS vendors, e-commerce, financial services and telco customers.

But there are more, many more, Tungsten deployments out there. Tungsten Replicator can be used for real-time data

Percona latest blog poll asks how you currently host applications and databases. Select an option below, or leave a comment to clarify your deployment!

With the increased need for environments that respond more quickly to changing business demands, many enterprises are moving to the cloud and hosted deployments for applications and software in order to offload development and maintenance overhead to a third party. The database is no exception. Businesses are turning to using database as a service (DBaaS) to handle their data needs.

DBaaS provides some obvious benefits:

• Offload physical infrastructure to another vendor. It is the responsibility of whoever is providing the DBaaS service to maintain the physical environment – including hardware, software and best …

Hi all,

The FOSDEM MySQL & Friends devroom Committee is now completed and you can find it on http://www.mysqlandfriends.eu/committee/

As you can see some old friends are back in the Committee and we have also new names. As usual all big 3 MySQL distributions are present in the Committee and several Community Members are completing the list.

Back to the topic of this article, the CfP will end on December 1st to let us review the proposed talks, check with the speakers and prepare the schedule.

Don’t hesitate too long, please submit using https://penta.fosdem.org/submission/FOSDEM18/

Sakila greetings !

lefred. …

I ended one of my last posts - Fun with InnoDB Persistent Statistics - with a cryptic sentence: there is more to say about this but I will stop here for now.  What I did not share at the time is the existence of a crashing bug somehow related to what I found.  But let's start with some context.

In Bug#86926, I found a way to put more than 64 characters in the field table_name of the