If you can't remember what every single symbol and operator does in SQL, don't worry -- most of us can't either. That's what cheat sheets are for and Periscope Data has just the thing for the average database developer.

SQL is the world's most popular language for managing and manipulating databases. Today, Codecademy launched a free Learn SQL interactive course that will teach you the basics of tables, queries, aggregate functions, and more.

After a preview period, Microsoft has made row-level security (RLS) generally available, providing more control and reducing the risk of errors in a developer's application code. Here's more on how this new feature can benefit you in your app development process.

If you're growing an online business, chances are you'll have to eventually grapple with managing and updating a complex mass of PHP code. Follow these 10 rules to get that app under control.

When a report on how many hours have been worked in your company over the last month takes 19 hours to run, it's reasonable to assume something has gone wrong. But how do you find the cause?

While much focus and discussion of the so-called "Big Data revolution" has been on the data itself and the exciting new applications it is enabling -- from Google's self-driving cars through to CSIRO and University of Tasmania's better information systems for oyster farmers -- less focus has been on the underpinning technologies and the talent driving these technologies. At the heart of the Big Data movement is a range of next generation database technologies that enable data to be amassed and analysed on a scale and speed hitherto unseen.