(Peter Zaitsev) Sometimes you have the task of storing multiple of boolean values (yes/now or something similar) in the table and if you get many columns and many rows you may want to store them as efficient way as possible. For MyISAM tables you could use BIT(1) fields which get combined together
Tag: Open Source
Teach Yourself Django in 24 Hours: Hour 2: Creating Your First Website
(Brad Dayley) Let’s begin the process of creating a working website by creating a Django project. A Django project is a collection of settings that define a specific instance of Django. These settings include things such as database configuration, URL configuration, and other options that you will l
MySQL Proxy: rollbacked transactions
(Jan Kneschke) If you use a transactional storage engine in MySQL like InnoDB some of your transaction may be terminated by the storage engine because of deadlocks. Sadly it is a bit tricky to see what has led to the deadlock. SHOW ENGINE INNODB STATUS gives only a very minimal look into the state w
Testing InnoDB ‘Barracuda’ format with compression
(Vadim) New features of InnoDB – compression format and fast index creation sound so promising so I spent some time to research time and sizes on data we have on our production.
MySQL Proxy: COMMIT obfuscator
(Jan Kneschke) This is an idea I came across at the MySQL UC last week: How many applications handle failing COMMITs correctly ? And how can we test it ?
How to estimate query completion time in MySQL
(Baron Schwartz) Have you ever run a query in MySQL and wondered how long it’ll take to complete? Many people have had this experience. It’s not a big deal until the query has been running for an hour. Or a day and a half. Just when IS that query going to finish, anyway?
Playing with MySQL’s index merge
(Brian Moon) So, I mentioned before that I found out about index_merge at the MySQL Conference. I was wondering why I had not heard more about it since it came out in 5.0.3. When talking with some MySQL people about it, I received mixed results. So, I decided to kind of run my own tests on some data
Updated msl (microslow) patch, installation walk-through!
(Maciej Dobrzanski) For a couple of months there have been no updates to our msl patch, however recently I managed some time to change this. The functionality was extended a little bit and what’s even more important the patch is available for all the recent MySQL releases.
Which MyXML?
(Ivan Zoratti) Ok. We may all (maybe not really “all”) agree that XML in a relational DB is a cool thing. But which kind of approach should we use to store non tabular data in a typical tabular infrastructure?
Using DbLink to access other PostgreeSQL Databases and Servers
(Leo Hsu and Regina Obe) People coming from SQL Server and MySQL often complain about how you can’t query other databases from within a PostgreSQL database. In Microsoft SQL Server, there is a concept of querying across databases on the same server with dbname.dbo.sometable and querying across serve
