SQL is used to query a relational database, where data is organized into relations. But relational databases do not meet the needs of web-scale information systems—this is where NoSQL storage and retrieval information systems come in. Let's look at the differences between SQL and NoSQL and when you would use either.

Virtualization and containerization are the top approaches when it comes to enabling scalability, limiting overhead costs, and standardizing software development, deployment, and management across multiple platforms. Each has its pros and cons, so which is the right choice for your team, application, and technology?

There's a case for treating some of your tests as products—project deliverables in their own right, created as a business investment. "Productizing" tests can show their value to management, but more importantly, it can help them contribute more effectively to the development lifecycle. Here are four steps to consider.