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Adding support for a new database to mondrian
Mondrian supports a large number of back-end databases. So many in fact, that we rely on contributors to add the support, and we have tried to standardize the steps to support a new database.I thought...
View ArticleLiveblogging: Leveraging Hadoop to Augment MySQL Deployments by Sarah...
Sarah Sproehnle is an excellent speaker, so I was excited to see her speak about Hadoop, which I know very little about...so here's the liveblogging:Hadoop is an "open source framework for storing and...
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A review of Relational Database Design and the Optimizers by Lahdenmaki and...
Relational Database Index Design and the Optimizers Relational Database Index Design and the Optimizers. By Tapio Lahdenmaki and Mike Leach, Wiley 2005. (Here’s a link to the publisher’s site). I...
View ArticleHow LOCK TABLES interacts with the MySQL slow query log
Here’s a little trivia that you might find helpful. Suppose that I have the following in the MySQL slow query log (abbreviated for clarity): # User@Host: root[root] @ localhost [127.0.0.1] # Time:...
View ArticleTesting Windows IO with SQLIO and SysBench
To benchmark IO on Linux and MySQL transaction processing, SysBench is a popular choice that can do both. After poking around at the source code, it seems PostgreSQL and Oracle are also included for...
View ArticleMySQL 5.5.6-rc: InnoDB is default storage engine!
A few SQL queries are worth a thousands words: mysql> SELECT VERSION(); +----------------+ | VERSION() | +----------------+ | 5.5.6-rc-debug | +----------------+ mysql> SELECT...
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MySQL 5.5.6-rc: InnoDB is default storage engine!
A few SQL queries are worth a thousands words:mysql> SELECT VERSION(); +----------------+ | VERSION() | +----------------+ | 5.5.6-rc-debug | +----------------+ mysql> SELECT...
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Oracle's MySQL - What's New? Live event in Rome on Oct, 7
As a follow up of this post I'd like to inform all the readers that the What's New event will be replicated in Rome on Oct, 7. Join us at this live event to better understand what’s new with MySQL. You...
View ArticleShinguz's Blog (en): Disadvantages of explicitly NOT using InnoDB Primary Keys?
We recently had the case with one of our customers where we got externally generated random hash values (up to 70 bytes) and they were used as Primary Keys in InnoDB. As we know, this is not a very...
View ArticleOracle Announces MySQL 5.5 Release Candidate
Yesterday, Sept. 19, 2010 at the inaugural MySQL Sunday event at Oracle OpenWorld, we announced the MySQL 5.5 Release Candidate. The MySQL 5.5 release candidate helps improve the performance and...
View ArticleAdd SQL examples by feed
Our idea is it to index the database examples and know-how that gets published day by day by individuals and companies in countless blogs all over the web. Imagine a database that contains all the...
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Big Data innovation marches on
With IBM intending to acquire Netezza the predicted consolidation in the distributed analytics market is well underway. Recent deals include EMC/Greenplum Teradata/Kickfire and now IBM/Netezza. A...
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Instrumentation and the cost of Foreign Keys
I occasionally get in to light arguments healthy discussions with students about whether or not to use Foreign Key constraints on InnoDB tables. My standard response has always been: “it depends on...
View Article1.5.4 Community Release Available
We are pleased to announce the availability of the 1.5.4 release of InfiniDB Community Edition. This is our second maintenance release for 1.5.This release includes a number of bug fixes that you can...
View ArticleCall for Papers for the O'Reilly MySQL Conference
The call for papers for the O'Reilly MySQL Conference is now open, and closes October 25th. Submit your proposal now at http://en.oreilly.com/mysql2011/user/proposal/propose/cfp/126!PlanetMySQL...
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MySQL 5.5 Replication Features (MySQL Sunday)
There were several requests for copies of the replication presentation at MySQL Sunday at Oracle Open World. It will be published by the conference, but for now you can download it from...
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MySQL GIS – Part 4
WHAT CAN YOU DO WITH GEO DATA? Geo spatial indexes are what make this type of data valuable. With shape and point data you can find relationships between object in our physical world. How close is...
View ArticleThe road ahead
What is it that you can expect in future releases? Well, that is why we have a road map, but to be fair, it had not been updated in a while. A few weeks ago, the time came for reviewing this page....
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451 CAOS Links 2010.09.21
Oracle launches Unbreakable Kernel, updates MySQL and Java plans. And more. Follow 451 CAOS Links live @caostheory on Twitter and Identi.ca, and daily at Paper.li/caostheory “Tracking the open source...
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Moving to WordPress
This is my last post on Blogger. I decided to move to WordPress and leave, at least for now, this blog.I decided to move to WordPress because I found it more suitable for my needs.So, from now on, you...
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