This week's book giveaway is in the Agile and other Processes forum. We're giving away four copies of The Mikado Method and have Ola Ellnestam and Daniel Brolund on-line! See this thread for details.
Your LAST_MODIFIED_TIME is (presumably) a date-time, but you are comparing it with character values from your TO_CHAR functions. Leave all the dates as dates and it should work. Also, you can use "BETWEEN date1 AND date2" to catch dates inside a range.
ex-Oracle bloke
I agree. Here's the link: http://ej-technologies/jprofiler - if it wasn't for jprofiler, we would need to
run our stuff on 16 servers instead of 3.