my $dbh = DBI->connect( "dbi:SQLite:$dsn", '','',
{ RaiseError => 1, AutoCommit => 0 } )
or die "$DBI::errstr\n";
I found with Win32 ActivePerl that explicitly setting $dbh->{AutoCommit} = 0; here helps.

In reply to Re^3: std dev calculations slow over time by randyk
in thread std dev calculations slow over time by punkish

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