A couple of points about this wiki. First it is heavily oriented toward SQL because that is what the book was about. But I am not just a database guy. So this wiki also covers other programming topics.

Registered users can feel free to add to the wiki as well.
SQL General
    Best Practices
    SQL Naming Conventions
    Transactions
    Normalization
SQL 2005
    Best Practices
    Naming Conventions
SQL 2008
    Best Practices
    Naming Conventions
MySQL
C#
    Best Practices
    Naming Conventions

Article Based Content:

• Conflated Insert/Update Stored Procedure