Through the many changes in IT over the years, one constant has always been a concern for performance. With database systems there is especially true. Even with the many advances in relational ...

Every professional programmer (and DBA) should have a library of books on SQL fundamentals. There are many SQL titles to choose from, and a lot of them are very good. But this month's column will ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...