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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.

InfluxData Inc. is the developer of InfluxDB, an open-source platform designed to retrieve and store time series data for monitoring, analysis, metrics and more. Recently, the company announced the ...

SAN FRANCISCO—Impulse Accelerated Technologies announced a new FPGA hardware library supporting C-language math.h functions. Impulse (Kirkland, Wash.) said its library is implemented directly in FPGA ...