I want to design a query to compute some returns for stock data and in searching the 'SQL Server Books Online' I find a very small and not so helpful at all help section on the lead and lag functions.

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 ...

Developers love database programming tips, tricks, and workarounds—especially those that slash development time or boost application performance. Here's a collection of such nuggets for developing SQL ...

While SQL Server 2008 was little more than a service-pack level upgrade, the 2012 version of Microsoft’s database has a boatload of new features and delivers solid performance improvements.