Comments on: Simple Event Processing – Using SQL with Analytical Functions to detect traffic patterns Friends of Oracle and Java Wed, 01 Apr 2015 17:07:47 +0000 hourly 1 By: vamsi Mon, 06 Oct 2008 09:26:12 +0000 do i see a change of variable name from inner query to outer query?
also it would have been nice if the outer query select clause order is
same as the inner query one.

anyway, i learned the use of lead function in sql today :-)