Experimenting with 5.6 InnoDB Online DDL (bugs included)
MySQL 5.6 offers the groundbreaking online DDL operations for InnoDB. Most common use cases will enjoy this feature, and the need for online alter table scripts will decrease. This is a killer feature!...
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My Talk Next Week at HighLoad++
Next week I’ll be visiting Moscow to talk at Highload++. The conference will take place during Monday 22nd and Tuesday 23rd at the Radisson hotel. I will be giving my personal version of an indexing...
View ArticleInnoDB DDL: kudos to quick responders on bugs.mysql.com
Continuing my experiments with 5.6 InnoDB online DDL, a bug which I've opened, and another which I commented on were quickly answered and explained by the Oracle/MySQL team. On both accounts I'm happy...
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Case Sensitive MySQL Searches
Here at End Point we strongly encourage the use of PostgreSQL. The reasons are numerous, but I'd like to highlight one today. MySQL's support for case sensitive search is explained somewhat opaquely in...
View ArticleMozilla IT News, Thu 18 October
It has been several weeks since the last time I did a DB roundup, mostly due to travel. I spoke at Nagios World Conference 2012 at the end of September in St. Paul, Minneapolis, and then had a keynote...
View ArticleMySQL for Excel 1.1.0 GA has been released
The MySQL Windows Experience Team is proud to announce the release of MySQL for Excel version 1.1.0 GA, one of our newest products contained in the MySQL Installer suite. This new version introduces...
View ArticleLog Buffer #291, A Carnival of the Vanities for DBAs
While Flex Baumgartner was jumping from the outer space, bloggers of database technologies were adventuring into the vistas of new technologies and sharing their experiences through their blogs. This...
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Amsterdam, MySQL User Group
A comment was recently posted on the MySQL User Group Wiki page about a new user group in the Netherlands available via Meetup.com.I wanted to take a moment and say thank you and ask everyone to...
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Adapting Diagram File to Another Database
Some of our users have faced the situation when they need to change the connection details of the existing Database Diagram file. Let’s assume the situation when you have several databases with...
View ArticleMySQL Connector/Net 6.6.4 RC1 has been released
MySQL Connector/Net 6.6.4, a new version of the all-managed .NET driver for MySQL has been released. This is the Release Candidate intended to introduce users to the new features in the...
View ArticleMerit of Private Training
Percona has offered Training for years, and I have personally delivered my share of Public and Private training. Below are my thoughts on the different training delivery options and how to choose the...
View ArticleRecovering from a bad UPDATE statement
Did you just run an UPDATE against your 10 million row users table without a WHERE clause? Did you know that in MySQL 5.5 that sometimes you can recover from a bad UPDATE statement? This is possible...
View ArticleReal-time Replication Between Oracle and Oracle, and Oracle and MySQL
Re Oracle is the most powerful database system in the world. However, Oracle's expensive and complex replication makes it difficult to build highly available applications or move data in real-time to...
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MySQL AutoTuner
After reading a blog post about MySQL Tuning scripts I thought about the possibility of a fully Automatic MySQL Tuner.This is how it would work:A daemon which would connect to your database server and...
View ArticleA Couple of Substring Functions: substr_count() and substr_by_delim()
A problem that sometimes when writing queries or stored routines is the need to use strings to do basic manipulation of the data. While from a performance perspective it is generally faster to do these...
View ArticleMySQL Cluster 7.1
MySQL Cluster 7.1 (7.1.24 GA, published on Monday, 22 Oct 2012)PlanetMySQL Voting: Vote UP / Vote DOWN
View ArticleMySQL Cluster 7.0
MySQL Cluster 7.0 (7.0.34 GA, published on Monday, 22 Oct 2012)PlanetMySQL Voting: Vote UP / Vote DOWN
View ArticleOblakSoft Cloud Storage Engine Newsletter, October 2012
MySQL on Amazon S3: ClouSE version 1.0b.1.4 is released OblakSoft is pleased to announce the release of ClouSE version 1.0b.1.4. In this release we fixed some of the known ClouSE Beta limitations that...
View ArticleFurther experiments with MySQL 5.6.7-RC: submit your bugs
Here's the background: I'm testing many features of MySQL 5.6.7-RC due to two reasons: I'm verifying my common_schema installs and works properly on 5.6 I promised I would present a 45 minute "what's...
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Using lookup tables
My students wanted an example of how to use a lookup table in the database. I thought it would be a great idea to create a simple example like this one. A lookup table is a generalization that holds...
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