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MySQL Engineering Blogs

New Optimizer Hints in MySQL
The MySQL optimizer has a well known special system variable—optimizer_switch—which allows control of various optimizer modes such as index condition pushdown (ICP), batched key access, etc. One big disadvantage of using the optimizer_switch, however, is that changing its value is an...

Improved Server Defaults in 5.7
Morgan and I started an initiative a while back to improve the “out of the box” configuration and behavior defaults for MySQL. Working closely with the Community, we were able to come up with a good list of improvements. This work really began to bear fruit starting with the MySQL 5.7.7...

Replication Defaults in MySQL-5.7.7
As part of the release of MySQL-5.7.7, based on community feedback, improvements have been made with respect to replication defaults, which will make MySQL replication safer and easier to use. This blog is intended to provide information about these default changes, and it briefly explains the...

The JavaScript Connector for MySQL you never heard of
It’s easier now than ever before to stand up a web server and connect it to a database using node.js and Express. Using node.js to get data out of a relational database used to require that users become well versed in SQL technology. So the MySQL dev team started on a project to make it trivial...

Backing up and restoring tables named with special characters
Introduction The names of databases and tables within MySQL are known as identifiers. In the simplest case these identifiers are just strings of certain ASCII characters (the basic Latin letters, the digits 0-9, the dollar sign and the underscore). However, if an identifier is placed in...

MySQL User Camp, Bangalore – 26th June, 2015
MySQL User Camp Bangalore, organized on 26th June, 2015, was a huge success with an excellent turnout of 49 attendees. We got many users from different companies, like Flipkart, Snapdeal, CTS, Capgemini, Yahoo, VMware, HCL, Datavail, Bosch, Rakuten and more. The event started on time with a...

MySQL Enterprise Audit : Parsing Audit Information From Log Files, Inserting Into MySQL Table
The MySQL Enterprise Audit plug-in is part of the MySQL Enterprise Edition (available through a paid license). Basically, Enterprise Audit tracks everything that is happening on your MySQL server, and can be used to protect/detect the misuse of information, and to meet popular compliance...

Building a Better CREATE USER Command
Prior to MySQL 5.7, the CREATE USER command had a number of limitations: No way to set both authentication plugin and password No way to disable a user No way to define user resource limitations No way to set a non-default password expiration policy No way to require SSL/x509 All of these things...

Removal and Deprecation in MySQL 5.7
With the shipment of the first release candidate (RC) of MySQL 5.7, the next major version of the server is rapidly shaping up. Over the course of the nearly two and a half years that have passed since 5.6 went GA, we have put a lot of work into streamlining the server code in order to ease the...

MySQL Workbench 6.3.4 GA has been released
The MySQL developer tools team announces 6.3.4 as our GA release for MySQL Workbench 6.3. For the full list of changes in this revision, visit http://dev.mysql.com/doc/relnotes/workbench/en/changes-6-3.html For discussion, join the MySQL Workbench Forums: http://forums.mysql.com/index.php?151 ...

Getting Started With MySQL & JSON on Windows
MySQL is getting native support for JSON.  This blog post will show you how to quickly get the MySQL server with these new features running on your Windows rig and how to write a small C# program in Visual Studio 2015 that stores a JSON document using the new native JSON data type. Schema or...

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