Syntax of case statement using a count function

[Bill Erhardt <ERHARDT@xxxxxxxxxxxxx>]

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Does anyone out there know how to structure a SQL case statement to do a
count(*) function?  For example, I've built SQL select statements that will
cross foot a file and sum the quantity, and sales from individual records
into monthly buckets but how can I count the number of occurrences using the
case structure?
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