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. Jinsong Yu shares deep architectural insights ...

Building on the DATETIMEFROMPARTS, DATETIME2FROMPARTS offers similar functionality, but yields more precise DateTime2 data type, containing fractions of a second to a specified precision. Naturally, ...

Microsoft is integrating AI features directly into SQL Server for the first time. The new version also brings JSON support ...

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 ...

When it comes to improving the performance of database systems, there are nearly as many approaches as there are DBA (database administrator) teams. That might sound acceptable at first glance. But, ...

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.