In this article, I'll start with building simple SQL queries and then move to advanced queries that include joins between multiple tables. Although I'll be using examples from Microsoft's SQL ...

Here's my problem:I'm trying to execute a fairly simple SQL query in a web app I'm working on. It's for a jewelry store, and it is part of the "Find a diamond" feature.The SQL syntax is something ...

Airbnb has open sourced Airpal, the tool it built to help employees get to data they need to use. It's built on Facebook's open source Presto SQL engine.

Do you ever find yourself juggling queries to get the information you need? Subselects, also called subqueries, may be just what you’ve been looking for. This SQL feature allows you to query ...