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```
use DBI;

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}
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              Rate     Span     Perl   SQL/Pg     Pair oneliner
Span        8373/s       --     -57%     -68%     -86%    -100%
...
SQL/Pg     26397/s     215%      37%       --     -57%    -100%
Pair       61443/s     634%     219%     133%       --     -99%
oneliner 5644800/s   67313%   29207%   21284%    9087%       --