Hi We are using Oracle 11G. i am sorry if its too silly to ask this question but, We are having AWR retention period set as 6 months. but in OEM i am able to fetch some metrics beyond ~1year like CPU Utilization trend, Memory utilization etc., so just wondering, if oracle fetches these historical metrics for OEM from any other repository and its another database and its oracle proprietary?
Actually for monitoring purpose we are using a tool called WILY, in this i came to know the read only access to the inline database which store historical performance trend of app server etc... wont be given to us as its proprietary DB and they will not give that access to us, so is it similar in case of OEM too?