One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. This article dives into the happens-before ...

Recently, my good friend and co-worker Aaron Bertrand and I were producing a video for the upcoming PASS Summit 2015 event. (Learn more about the international SQL ...