We discuss the difference between a marketing qualified lead (MQL) and a sales qualified lead (SQL) and how to use them to improve the customer experience. Generating leads is crucial for businesses, ...

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.

Low-priority databases containing temporary network workload information could be a perfect vector for simple SQL injection attacks, which can lead to outright domination of WiFi routers given the ...