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 ...

Poorly written SQL statements can cause significant performance problems in your database environment. According to some experts, poorly written SQL can cause up to 70% of performance problems overall ...

Learn SQL basics in just 15 minutes with this tutorial focused on using SQL with MySQL. Topics covered include: - What SQL is ...

Before we even begin this month's column I had better define what I mean by a "black box." Simply put, a black box is a database access program that sits in-between your application programs and the ...