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.

Today, at its Ignite conference in Orlando, Microsoft is announcing the general availability of a new version of its flagship operational database, SQL Server 2017. SQL Server is a product I have ...

Microsoft today released SQL Server 2022, the latest version of its database software, which originally launched more than 33 years ago. Microsoft describes this release as the "most Azure-enabled ...