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.
When dealing with massive quantities of data, top-k queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring function. The problem of ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback