I will be presenting about Evolutionary Database Design and Database Refactoring at ThoughtWorks Master Class Series 2007 at Bangalore on May 19th and Pune on May 26. This will be the first time I will be presenting in India.
After finishing the first Refactoring Databases book. I started on a short ebook project, this book was going to tackle on a very specific technical topic mentioned in the first book. I wanted to write about all the specific scenarios and all the techniques I follow on the various projects.
Last week I was at SD Best Practices in Moscow, doing a presentation on “Refactoring Databases: Evolutionary Database Design”. Moscow seems like a interesting place, loads of huge buildings, squares, fountains and roads. Things some how feel rundown, feels like a player trying to regain his former ability or glory.
I have been working at ThoughtWorks for 8 years now, its a fun place to work. Reason I’m blogging about this, ThoughtWorks is hiring in the US, UK, Australia, India, China and Canada. So go ahead send your resume to firstname.lastname@example.org
Last week I received the good news. The book I co-authored with Scott Ambler won the 2007 Jolt Productivity Award in the Technical Books category. I was dumb enough not to attend the awards ceremony and receive the award, anyway when I started on the book project couple of years back I was afraid if the book would do justice to the Martin Fowler signature series, under which this book appears. The Jolt award award and all the comments I have received from many people in the last year, put me at easy, give me the feeling that finally I can relax and not worry about letting down Martin’s signature series.
The following SELECT statement in code
1 2 3 4 5 6 7 8
Recently we had peculiar problem. Some of the data in the database was not being created in a proper fashion. Once we found that out we fixed the problem in the application. The customer still had the perception that the code is still broken, because the fixed code was now interacting with the data that was broken (since it was created much earlier by code that was broken). Data has a life of its own (more on this later)
While working on a Legacy Application with Legacy Database design as part of fixing a bug, I thought this bug would not have ever happened if a particular column was defined as Non Nullable since this particular column was the identifier to the parent table.
Some time ago I wrote about what it means to do database testing.. more I think about this and having had some strange situations recently I want to add more to the list of things we should be testing.
You learn a lot from kids, and this lesson I will never forget.
So I’m at Lyon (in France) airport and there are a couple of kids (4-5 year olds) playing in the airport play area which had slides, call these two kids TA and TB my daughter call her AA joins these kids and they all start playing with the slide.