some benchmarks would help you decide ... for ten columns it's not much of a big deal w/
bind_columns ... because there are only 10 vars to track.
fetchall_arrayref will fetch out your entire dataset ... hence the slowdown, i'd think, talking about the number of records you're attempting to pull.
note that they are 2 different approaches ... one would entail a while loop ( bind_columns ) while the other is a complete dataset fetch ( fetchall_arrayref ) with a while loop for processing ....
on a side note, i'm more of a fan of fetchrow_hashref than fetchrow_arrayref because of the naming that's used. more extensible if you start fetching more columns ...
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