Thanks for the many thoughtful responses to my question.

I have not found a root cause for the problem however, I have found a workaround by installing the 32 bit version of ActiveState Perl and using it rather than the 64 bit version.

With 32 bit Perl, "$dbh = DBI->connect("dbi:Oracle:host=$host;sid=$sid;port=$port", $user, $passwd);" performs without complaining and then executes SQL and returns the answer set.

-Tony

In reply to Re^2: Error Message "Can't load 'C:/Perl64/lib/auto/DBD/Oracle/Oracle.dll" While Connecting to Oracle by Anonymous Monk
in thread Error Message "Can't load 'C:/Perl64/lib/auto/DBD/Oracle/Oracle.dll" While Connecting to Oracle by TonyByorick

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