I've worked in IT since MCSE NT4 was  new technology.Used SQL since reporting services was new, Worked with tables with a few rows to 500 million rows . databases from a few k to many TB.  From transactional to data warehouse. But  never passed a SQL exam until this year.

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Corporate data is expensive to create, expensive to report. Adding free data sources and mapping can lift the simplest of reports to a stunning presentation.