I don't think you absolutely need the DBD::Oracle line. DBI should load the correct module when you connect.
My personal solution has been to hide connection details in a module which always gets installed in The Right Place, has a home for tests and makes scripts clear and concise with subs like this
sub setup_environment {
my $server = get_server_name();
for my $env ( %{$environment{$server}} ) {
$ENV{$env} = $environment{$server}->{$env};
}
return scalar keys %{$environment{$server}};
}
I use it to cache database handles and such. It's not your perfect solution, but it works for me.
Sometimes I can think of 6 impossible LDAP attributes before breakfast.
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