Comparative Window Functions: Proposed Extensions to Analytic Functions

Uli Bethke analytic functions, Oracle, SQL for Analysis

I promise that this will be the last post on analytic functions this month; but I came across this proposal to extend analytic functions with a comparative window function on Tom Kyte's blog yesterday (also make sure to review the actual paper). Basically this new type of analytic function would allow you to compare the current row in a window ...