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Showing page 3 of 3 (27 total posts)
  • The Top 20 Questions in Database Design

    I'm still re-reading the ''Fourth Paradigm'' book by Microsoft Research, and one section continues to intrigues me. There's a part where the book explains database design, and puts forth that the most important thing when you're designing large data sets is to find out the ''Top Twenty Questions'' the database has to answer. The quote is ...
    Posted to Buck Woody (Weblog) by BuckWoody on December 17, 2009
  • The Coming Database Design Wave

    Database design has been on my mind as of late – I’ve been teaching it in class, and I have a friend from Twitter that has a couple of questions. In fact, I think I’ll actually do a submission to PASS this year on this topic.   Don’t think it has to do with you? Well, I’m seeing a new “wave” of design options coming at the data ...
    Posted to Buck Woody (Weblog) by BuckWoody on December 16, 2009
  • Wizards are evil – wait, no they aren’t!

    SQL Server contains many “Wizards. Wizards are simply programs that collect information based on user choices. The Wizard’s screens explain each step and the choices on that screen. Based on those answers collected from the user, the Wizard performs some task. What could possibly be wrong with helping a user this way? Well, plenty. Wizards hide ...
    Posted to Buck Woody (Weblog) by BuckWoody on December 14, 2009
  • After the Upgrade, it runs differently…

    I got a question yesterday in the mail that I thought I would just answer here in a broad context. While I can’t troubleshoot or do performance tuning from a distance, there are some interesting concepts and suggestions this e-mail brings up: “I have recently seen a change from SQL Server from 2005 to 2008 in where it handles CASE statements ...
    Posted to Buck Woody (Weblog) by BuckWoody on December 1, 2009
  • Aren’t DBA’s Just System Admins for Databases?

    Last week I ran into an argument I’ve had since I left the mainframe space decades ago. A developer told me “DBA’s don’t design databases.” The inference was that DBA’s (i.e., Database Administrators) only worry about hardware, security, OS, database backups, things like that. He seemed amazed that a DBA would ever do “data” work. It may be the ...
    Posted to Buck Woody (Weblog) by BuckWoody on November 30, 2009
  • Code that Writes Code

    I have scripts that re-create my databases for testing and development purposes. But sometimes I want to take the data from a set of tables and move it as well – I could use SSIS, or a SELECT INTO statement, but what if I want to “re-set” the data to a point in time? In other words, load it with some “base data”? I thought this might be a good ...
    Posted to Buck Woody (Weblog) by BuckWoody on November 25, 2009
  • Changing the Primary Key After You Have Data

    Yesterday I blogged about changing a Primary Key (PK) during the design phase, and before you have data in the database. Even then, it’s not trivial to change the data type or column(s) that make(s) up the PK. When you have data in that Primary Key and/or you have Foreign Keys (FK) that point to a PK field, this becomes a much more involved ...
    Posted to Buck Woody (Weblog) by BuckWoody on November 24, 2009
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