See Martin Fowler's essay on Technical Debt . Also see Steve McConnell's thoughts <http://blogs.construx.com/blogs/stevemcc/archive/2007/11/01/technical-debt-2.aspx.

We can use Agile techniques to get things done ASAP and ACAP (As Soon As Possible and As Cheap As Possible). However, we still need to …

I have to say this first -- just because ERwin calls it "physical" that doesn't mean anything. ERwin uses "physical" model to mean "product-specific logical" model. They use "logical" to mean "product-independent logical" model.

ERwin doesn't do physical modeling. Not even a little bit. The physical layer of a relational database …

Back in December, I posted "I haven't written a program in years ..." with a tidy little example, suitable for someone who used to program. The intent was to help them get a quick program written, leveraging their legacy skills using new tools.

And (bonus to me) it helps me to …

Someone sent this question to their manager and included me on the CC: list.

"Would you consider tools like Django to quickly build web apps ?"

My suggestion is that a bald query like this can only get on of two possible answers: "No" (and a large number of unsubtle variations …

TC's full quote was "We consume a significant portion of the overall contract generating a functional specification whose sole use is to serve as the outline for the acceptance test. Those who choose to argue this point might like to explain the recurring customer comment 'You did an excellent job …

TC Writes "With 30 years in the biz, I’ve experienced all the pains associated with a rigid linear approach (functional spec -> design doc -> code -> integrate -> acceptance test, always being sure to maintain a current version of the traceability matrix). An iterative approach is inherently more appealing, but I’m …

Time is simple. You can make it complicated with any one of a large number of dumb-as-dirt decisions.

In the Real World™, time may be a quantum field (read stuff by 't Hooft ). For that matter, space itself may have some quantum granularity. Or, this could be a handy hack …

The money quote was this "It’s not a big leap then for me to consolidate all three of those into one uber relationship table...".

The question was a good one because it involved the classic higher-order database relationship.

The canonical SQL relationships are binary equi-join relationships that can be …

There aren't too many variations on the open-ended date range problem. We have a table of events or rules or policies that have start dates. Some have end dates, because they've been replaced or superseded. Others don't have end-dates because they apply for the foreseeable future.

There are two kinds …

I've upgraded my Building Skills in Python to cover the 2.5 release. It didn't take as long as I'd anticipated.

The new features list for Python 2.5 is mercifully short. I did a fair amount of reorganization to consolidate some things that had grown or split needlessly.

Changes …