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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.

SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...

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 ...

Microsoft complements its relational database engine, SQL Server, with several add-on services that manage different aspects of enterprise business intelligence and information processing such as data ...

This month’s release from Microsoft includes 175 updates — and four zero-day flaws that should be patched ASAP.