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Is Oracle really killing MySQL?
There are plenty of "Oracle-is-killing-MySQL" headlines in the tech world: Oracle Makes More Moves To Kill Open Source MySQLOracle now destroying MySQLIs MySQL Slowly Turning Closed Source? Is Oracle...
View ArticleLearn about the Real-Time Performance and High Availability of MySQL Cluster
If you need 99.999% availability, real-time performance, auto-sharding and write scalability, geographic replication - using SQL and NoSQL applications then you should learn more about MySQL Cluster....
View ArticleDatabase Workbench 4.3.1 released
Database workbench 4.3.1 released! [2012-08-20] This version fixes a few problems with MySQL support, one of them introduced in 4.3.1, released last week. For more information, see the news page. The...
View ArticleWhy won’t MySQL use the best index in a join?
Someone recently asked me why the wrong index was being used for a JOIN, making the query run very slowly. We ran EXPLAIN and saw this abridged output: explain select [columns] from m left join u on...
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Creating Advanced MySQL-Based Virtual Hosts On Lighttpd (Debian Squeeze)
Creating Advanced MySQL-Based Virtual Hosts On Lighttpd (Debian Squeeze) This guide explains how you can create advanced virtual hosts on a lighttpd web server on Debian Squeeze that are stored in a...
View ArticleA lightweight MySQL sandbox script
For a long time I’ve been maintaining a set of scripts inspired by Giuseppe Maxia’s MySQL Sandbox, which is a Swiss Army Knife for starting and stopping server instances for jobs such as testing,...
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NoSQL & InnoDB Set up for MySQL Replication
Last week I heard about a company that has a concern with their NoSQL solution and the replication of their data. I, of course, thought of the new MySQL 5.6 release as a possible solution for their...
View ArticleThe Data Charmer: Is Oracle really killing MySQL?
http://datacharmer.blogspot.it/2012/08/is-oracle-really-killing-mysql.html An insightful post for my former (MySQL AB) colleague Giuseppe Maxia about how Oracle’s actions affect the MySQL landscape....
View ArticleSQL: selecting top N records per group, another solution
A while back I presented SQL: selecting top N records per group, a "give me the top 5 countries in each continent" type of query, and which used an external numbers table and a lot of tedious casting....
View ArticleUpcoming MySQL Events in EMEA
Oracle’s MySQL team is running a series of 10 events across EMEA in the fall with the theme "Scale with MySQL". The dates and countries are as follows, and detailed information is provided on each...
View ArticleState of the MySQL forks
It's been some time since I last wrote an overview of the state of the MySQL forks, but the last few weeks have been eventful enough that it is a good time to again see how the competing variants are...
View ArticleOracle *Has Not* Stopped Publishing MySQL To Launchpad
Stewart over at Percona noticed that our trees on Launchpad were out of date, and this has been picked up and taken as gospel by others, notably Henrik today. Unfortunately, Henrik doesn’t seem to have...
View ArticleWeb Application Security Blog Series
As a consultant working with MySQL, I learned a lot about MySQL. I got deep into MySQL. But I did not often get a broad sense of the entire application ecosystem. Now that I work in-house, I can focus...
View ArticleA summary of changes in MySQL 5.6
I decided to take another look at MySQL 5.6, and realized that I’ve forgotten how many changes this version will have. Each milestone has many improvements, and there have been many milestones, so my...
View ArticleWebinar for Full Text Search Throwdown
Tomorrow, August 22 at 10:00am PDT, I’ll present a webinar called Full Text Search Throwdown. This is a no-nonsense performance comparison of solutions for full text indexing for MySQL applications,...
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MySQL Utilities mysqldbcopy
The MySQL Utilities that come with Workbench can make short work of some important tasks. Back before MySQL 4, I used to have to regualrly create a copy of a production database by using a script that...
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MySQL 5.6 replication gotchas (and bugs)
There has been a lot of talk about MySQL 5.6 replication improvements. With few exceptions, what I have seen was either marketing messages or hearsay. This means that few people have really tried out...
View ArticleRecovery after DROP & CREATE
In a very popular data loss scenario a table is dropped and empty one is created with the same name. This is because mysqldump in many cases generates the “DROP TABLE” instruction before the “CREATE...
View ArticleOptimizing IN() queries against a compound index
Unfortunately, MySQL 5.5 doesn’t generate a very good query execution plan for IN() queries against a compound (multi-column) index, such as the following query that should be able to use the 2-column...
View ArticleWebinar: Introduction to TokuDB
Businesses increasingly operate in a 24×7 environment, where complex analytics must be performed on live, continuously incoming “Big Data.” To address this, TokuDB has developed Fractal Tree®...
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