Benchmark: timing 1 iterations of CSV_Delete, Flatfile_Delete, Mysql_Delete...
CSV_Delete: 16 wallclock secs (14.91 usr +  0.30 sys = 15.21 CPU) @  0.07/s (n=1)
            (warning: too few iterations for a reliable count)
Flatfile_Delete:  0 wallclock secs ( 0.18 usr +  0.04 sys =  0.22 CPU) @  4.55/s (n=1)
            (warning: too few iterations for a reliable count)
Mysql_Delete:  1 wallclock secs ( 0.01 usr +  0.02 sys =  0.03 CPU) @ 33.33/s (n=1)
            (warning: too few iterations for a reliable count)