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Re^2: Undefined Array Reference

by Anonymous Monk
on Apr 23, 2009 at 03:50 UTC ( #759472=note: print w/replies, xml ) Need Help??

in reply to Re: Undefined Array Reference
in thread Undefined Array Reference

The reason for that is a query result from a database, each array ref, since I can not join these tables, are each from these tables, and I don't know how many records each one will be returning, that is the reason for this sample code.

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Re^3: Undefined Array Reference
by lostjimmy (Chaplain) on Apr 23, 2009 at 13:02 UTC
    I'd really like to know why you can't join the tables...
      The tables are too big, they are already a logic file from 3 different tables each. Thats the only way, I have to get the values from the first and after finding the account numbers I can get the rest from the other table, manipulate the results in the array ref and format a report
        Perhaps indexes on your tables could help. Or instead of trying to turn Perl into a database, create subsets of your tables in temp tables and query those.

        I know from personal experience that this type of processing is best left to databases even though Perl is much cooler than SQL

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