Question

What is the best way to dynamically set the ‘order by’ column name and direction from parameters passed in to a plsql procedure?

Answer 1

You can use variables if you order using a case:

select  *
from    YourTable
order by
        case when par_name = '1' then col1
             when par_name = '2' then col2
        end
,       case when par_name = '3' then col3
        end desc