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.

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

SAN FRANCISCO, CA--(Marketwired - Jun 5, 2013) - Embarcadero Technologies announced today it is hosting an online event titled "New SQL Server 2012 Functions" featuring SQL Server expert Rick Morelan.

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, ...