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MySQL Connector/J 8.0.21 has been released

Dear MySQL users,

MySQL Connector/J 8.0.21 is the latest General Availability release of
the MySQL Connector/J 8.0 series.  It is suitable for use with MySQL
Server versions 8.0, 5.7, and 5.6.  It supports the Java Database
Connectivity (JDBC) 4.2 API, and implements the X DevAPI.

In the documentation for MySQL 8.0.21, we have started
changing the term “master” to “source”, the term “slave” to
“replica”, the term “whitelist” to “allowlist”, and the term
“blacklist” to “blocklist”. There are currently no changes to
the product’s syntax, so these terms are still present in the
documentation where the current code requires their use. See
the blog post MySQL Terminology Updates
( …

[Read more]
Announcing MySQL Server 8.0.21, 5.7.31 and 5.6.49

MySQL Server 8.0.21, 5.7.31 and 5.6.49, new versions of the popular Open Source Database Management System, have been released. These releases are recommended for use on production systems. For an overview of what’s new, please see http://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html http://dev.mysql.com/doc/refman/5.7/en/mysql-nutshell.html http://dev.mysql.com/doc/refman/5.6/en/mysql-nutshell.html For information on installing the release on new servers, please see the MySQL installation documentation at […]

MySQL Connector/Node.js 8.0.21 has been released

Dear MySQL users,

MySQL Connector/Node.js is a new Node.js driver for use with the X
DevAPI. This release, v8.0.21, is a maintenance release of the
MySQL Connector/Node.js 8.0 series.

The X DevAPI enables application developers to write code that combines
the strengths of the relational and document models using a modern,
NoSQL-like syntax that does not assume previous experience writing
traditional SQL.

MySQL Connector/Node.js can be downloaded through npm (see
https://www.npmjs.com/package/@mysql/xdevapi for details) or from
https://dev.mysql.com/downloads/connector/nodejs/.

To learn more about how to write applications using the X DevAPI, see

[Read more]
MySQL Connector/C++ 8.0.21 has been released

Dear MySQL users,

MySQL Connector/C++ 8.0.21 is a new release version of the MySQL
Connector/C++ 8.0 series.

Connector/C++ 8.0 can be used to access MySQL implementing Document
Store or in a traditional way, using SQL queries. It allows writing
both C++ and plain C applications using X DevAPI and X DevAPI for C.
It also supports the legacy API of Connector/C++ 1.1 based on JDBC4.

To learn more about how to write applications using X DevAPI, see
“X DevAPI User Guide” at

[Read more]
MySQL Connector/NET 8.0.21 has been released

Dear MySQL users,

MySQL Connector/NET 8.0.21 is the latest General Availability release of
the MySQL Connector/NET 8.0 series. This version supports .NET Core 3.1
and the X DevAPI, which enables application developers to write code
that combines the strengths of the relational and document models using
a modern, NoSQL-like syntax that does not assume previous experience
writing traditional SQL.

To learn more about how to write applications using the X DevAPI, see
http://dev.mysql.com/doc/x-devapi-userguide/en/index.html. For more
information about how the X DevAPI is implemented in Connector/NET, see
http://dev.mysql.com/doc/dev/connector-net.

NuGet packages provide functionality at a …

[Read more]
MySQL Connector/ODBC 8.0.21 has been released

Dear MySQL users,

MySQL Connector/ODBC 8.0.21 is a new version in the MySQL Connector/ODBC
8.0 series, the ODBC driver for the MySQL Server.

The available downloads include both a Unicode driver and an ANSI driver
based on the same modern codebase. Please select the driver type you
need based on the type of your application – Unicode or ANSI.
Server-side prepared statements are enabled by default.  It is suitable
for use with the latest MySQL server version 8.0.

This release of the MySQL ODBC driver is conforming to the ODBC 3.8
specification.  It contains implementations of key 3.8 features,
including self-identification as a ODBC 3.8 driver, streaming of out for
binary types only), and support of the SQL_ATTR_RESET_CONNECTION
connection attribute (for the Unicode driver only).

The release is now available in …

[Read more]
MySQL Connector/Python 8.0.21 has been released

Dear MySQL users,

MySQL Connector/Python 8.0.21 is the latest GA release version of the
MySQL Connector Python 8.0 series. The X DevAPI enables application
developers to write code that combines the strengths of the relational
and document models using a modern, NoSQL-like syntax that does not
assume previous experience writing traditional SQL.

To learn more about how to write applications using the X DevAPI, see

http://dev.mysql.com/doc/x-devapi-userguide/en/

For more information about how the X DevAPI is implemented in MySQL
Connector/Python, and its usage, see

http://dev.mysql.com/doc/dev/connector-python

Please note that the X DevAPI requires at least MySQL Server version 8.0
or higher with the …

[Read more]
ProxySQL Public Training, 21st-22nd July

We’re very excited to open up our ProxySQL Total Training online course to the public!

Get yourself, or your team, trained by our Professional ProxySQL Trainers who have built and actively maintain ProxySQL in our upcoming total Training course.

Designed for DBAs, application developers and IT professionals in the industry, the course will focus on real world implementation and hands-on labs that will ensure you acquire the needed skills to deploy efficient, scalable and highly available solutions with ProxySQL!

Immerse yourself in the world of ProxySQL with our two-day ProxySQL Total Training.

ProxySQL Total Training topics include:

  • ProxySQL use cases and real world examples
  • How to install, upgrade and configure ProxySQL with zero-downtime
  • Query routing, query caching and query fire-walling
  • Advanced performance …
[Read more]
Integrating MySQL tools with Systemd Service

In my day to day tasks as a DB Engineer at Mydbops we have been using multiple MySQL tools for multiple use cases to ensure an optimal performance and availability for servers managed by our Remote DBA Team.

A tool like pt-online-schema can be used for any DDL changes ( Overview to DDL algorithm ), if any tool which needs to scheduled for longer period we tend to use screen or cron.

Some of the problems we face when we demonise the process or use screen for running processes.

  • The daemon process gets killed when the server reboot happens. …
[Read more]
How To Restore MySQL Users And Passwords During Migration

In any MySQL replication or migration, generally, we’ll skip the mysql database from the dump file. Since it has the current server’s settings, users, etc. So we should not create a mess on the target server with this source mysql database dump. But one downside of this approach is we’ll not get the users on the target MySQL server. Maybe you tried some approaches that are mentioned here. But whenever I don’t the credentials list during the migration and don’t have time to explore/install any tools likept-show-grants, then I’ll use this trick.

DISCLAIMER You should try this approach when you don’t any user credentials on the source DB. Take a backup of the MySQL database on the target DB side. Do this with …

[Read more]
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