Optimizing massive DELETE operations

by Wolfram Saringer  (2009-06-04)
last change: 2009-06-04


Interesting article on how to get optimal performance when deleting vast amounts of data while keeping some records (i.e. no TRUNCATE). Essentially the trick is inserting data to keep into a temporary table using direct-path INSERT on a table without a primary key index.



all articles represent the sole opinion of their respective author. all content comes without any warranty for correctnes, despite due diligence.