[Chicago-talk] Database or Code?

imran javaid imranjj at gmail.com
Sat Jun 27 13:55:55 PDT 2009

There are many ways to slice and dice this. One is to build a hash of hashes:

On 6/27/09, Richard Reina <richard at rushlogistics.com> wrote:
> I have to create a summary report out of a database that contains data about
> flight departures.
> Example:
> Chicago, IL Phoenix, AZ United
> Each report has to summarize an airline's quantity of unique monthly flights
>  so that in the end I get:
> Continental Airlines:
> Chicago, IL to New York 21
> New York, NY to Dallas 17
> Houston, TX to Dallas 45
> Chicago, IL to Phoenix 5
> I can't find an SQL query that allows me to parse the data in such a way so
> I was wondering if I could get some general opinions on what would be the
> easiest way to do this in perl?
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