Interesting ... YMMV most definitely. Not sure if it's due to a difference in the databases, or the drivers or the data itself ... but using your approach against a 43 col table (mixed data types), I get: 

slice:  14021.59 recs/sec
bind:    6750.10 recs/sec

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-derby

In reply to Re^3: DBI Hash of Column name values by derby
in thread DBI Hash of Column name values by avrono

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