I’m riffing on database design and modeling in an agile methodology. In the previous post here I suggested that we might cheat a little and design database schemas 2-4 weeks in advance of their use… further, I suggested that to maximize agility we should limit the design to a conceptual schema. In this post I’m…
One of the side-effects of the little cheat posted here is that, if we are going to design early we have to decide what we will design early… and this question has two complications. First, we have to ask ourselves how detailed do we design before the result becomes un-agile? Next, we have to ask…
In this post I am going to suggest doing a little design a little upfront and violating the purity of agility in the process. I think that you will see the sense. To be fair, I do not think that what I am going to say in this post is particularly original… But in my…
We are in the middle of several agile projects at the SSA… so I’ll start the year by sharing some related issues and solutions we are considering… I am going to try to suggest some ideas about refactoring databases that are a little different from some of the concepts in the book and blogs on the…
Hiya, My apologies for neglecting this blog… The SSA CIO job takes time. I have several database-specific blogs drafted that I hope to get to over the holidays… In the meantime here is a CIOish post on the problem of modernizing old IT infrastructure: https://cio.gov/modernizing-federal-it-part-1-catching-up-and-jumping-ahead/ While it is not specifically about database infrastructure… I think…
Here is a short story about distributed versus monolithic application design… Around 1999 Dan Holle and I started thinking about how to better deploy applications that used distributed computing. To be fair… Dan schooled me on his ideas for a better approach. We started with a thing called XML that had not yet released a…
Here is a quick review of tens years of data warehouse database competition… and a peek ahead… Maybe ten years ago Netezza shook up the DW DBMS market with a parallel database machine that could compete with Teradata. About six years ago Greenplum entered the market with a commodity-based product that was competitive… and then…
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