Comments on: Using a function-based index to get fast access to NULL table columns https://technology.amis.nl/2005/06/17/using-a-function-based-index-to-get-fast-access-to-null-table-columns-2/ Friends of Oracle and Java Tue, 03 Mar 2015 09:19:43 +0000 hourly 1 http://wordpress.org/?v=4.1.1