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 ...
Search vendors sometimes give away feature-constrained or capacity-clipped versions of their enterprise solutions. An example of the latter is IBM OmniFind Yahoo! Edition – a very good pick for ...
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