Deleting the content is probably a lot more efficient then dropping.

Delete the content by running DELETE FROM tablename - I'm unfamiliar with Sybase::CTlib but with DBI you do something like:

$dbh = DBI->connect(@database_parameters);
$dbh->do("DELETE FROM tablename");
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-- 
Joost       downtime n. The period during which a system
            is error-free and immune from user input.
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