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Lesson 05: Basic SQL (in MySQL)

Notes/errata/updates for Chapter 5:
See the official book errata at http://tahaghoghi.com/LearningMySQL/errata.php – Chapter 5 is pages 135-177.

Notes:
If you did not load the sample databases in Chapter 3 as per page 102, you can download the file to import from http://tahaghoghi.com/LearningMySQL/Downloads/Files/Data/SQL_files_with_foreign_key_references/music.sql

On page 162, it says “In Chapter 6, we’ll discuss how to load data from existing tables or from external data sources.” but this content is in Chapter 8.

On page 169, it has an example of “DELETE FROM played;” which deletes all the rows of a table. This will not work if safe_updates are enabled. I always advise that if you …

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Percona Live Europe Session Interview: MySQL on Docker – Containerizing the Dolphin

One of the widely discussed technologies at Percona Live Europe was the logistics of running MySQL in containers. Containers – particularly Docker – have become a hot topic, so there was a good-sized crowd on day one of the conference for Ashraf Sharif, Senior Support Engineer with Severalnines. He presented his talk “MySQL on Docker: Containerizing the Dolphin”. 

During his presentation, Ashraf shared some recommendations for best practices when setting out on containerizing MySQL. He sees the trend of moving to containers as a progression from the use of virtual hosts.

After his talk on day one of the Percona Live Europe conference, I caught up with Ashraf and asked about his presentation. I was interested in which concepts are most important for …

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MySQL Connector/Node.js 8.0.8-dmr has been released

MySQL Connector/Node.js is a new Node.js driver for use with the X
DevAPI. This release, v8.0.8, is the second development 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

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MySQL Connector/Java 8.0.8-dmr has been released

Dear MySQL users,

MySQL Connector/J 8.0.8 Development Release is a development milestone
release for the 8.0.x series.

This release includes the following new features and changes, also
described in more detail on

https://dev.mysql.com/doc/relnotes/connector-j/8.0/en/news-8-0-8.html

MySQL Connectors and other MySQL client tools and applications now
synchronize the first digit of their version number with the (highest)
MySQL server version they support.
This change makes it easy and intuitive to decide which client version
to use for which server version.

As always, we recommend that you check the “CHANGES” file in the download
archive to be aware of changes in behavior that might affect your application.

To download MySQL Connector/J …

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MySQL Connector/Net 8.0.9-dmr has been released

Dear MySQL users,

MySQL Connector/Net 8.0.9 is the sixth development release that expands
cross-platform support to Linux and macOS when using Microsoft’s .NET Core
framework. Now, .NET developers can use the X DevAPI with .NET Core and
Entity Framework Core (EF Core) 1.0 to create server applications that run
on Windows, Linux and macOS. We are very excited about this change and
really look forward to your feedback on it!

MySQL Connector/Net 8.0.9 is also the eighth development release of MySQL
Connector/Net to add support for the new X DevAPI.  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

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MySQL Connector/Python 8.0.5 DMR has been released

Dear MySQL users,

MySQL Connector/Python 8.0.5 dmr is the sixth development release of the
MySQL Connector Python 8.0 series. This series adds support for the new X
DevAPI. 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 MySQL …

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MySQL Connector/C++ 8.0.6-dmr has been released

Dear MySQL users,

MySQL Connector/C++ 8.0.6-dmr is the next development milestone release
(dmr) 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++ applications using X DevAPI or plain C applications using
XAPI.

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

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

and “X DevAPI Reference” at

https://dev.mysql.com/doc/dev/connector-cpp/devapi_ref.html

For more information about using plain C XAPI see “XAPI Reference” at

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MariaDB 10.2.9, MariaDB 10.1.28 and MariaDB Connector/J Releases now available

The MariaDB project is pleased to announce the availability of MariaDB 10.2.9, MariaDB 10.1.28, MariaDB Connector/J 2.1.2 and MariaDB Connector/J 1.6.5. See the release notes and changelogs for details. Download MariaDB 10.2.9 Release Notes Changelog What is MariaDB 10.2? MariaDB APT and YUM Repository Configuration Generator Download MariaDB 10.1.28 Release Notes Changelog What is MariaDB […]

The post MariaDB 10.2.9, MariaDB 10.1.28 and MariaDB Connector/J Releases now available appeared first on MariaDB.org.

MariaDB Server 10.2.9, 10.1.28, and updated Connector/Java now available

MariaDB Server 10.2.9, 10.1.28, and updated Connector/Java now available dbart Wed, 09/27/2017 - 21:08

The MariaDB project is pleased to announce the immediate availability of MariaDB Server 10.2.9, MariaDB Server 10.1.28, MariaDB Connector/J 2.1.2, and MariaDB Connector/J 1.6.5. See the release notes and changelogs for details and visit mariadb.com/downloads to download.

Download MariaDB Server 10.2.9

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Percona Live Europe Session Interview: Spatial Data in MySQL 8.0 with Norvald Ryeng (Oracle)

Day one of the Percona Live Europe Conference was a huge hit. The first day of sessions went well. People spoke on many different open source database topics, and talks were well-attended.

One such talk I got to sit in was on Spatial Data in MySQL 8.0, given by Norvald Ryeng of Oracle.

MySQL 8.0 is still in development, but we already see a lot of improvement in GIS support. The latest development release comes with support for around 5000 different spatial reference systems, improved standard compliance and a lot of new functionality. How does it all work, and how can it be used to build applications? 

This talk started with the basics of GIS and spatial data in MySQL: geometries, data types, …

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