Hello,
we have recently upgraded a 12c database to version 19c (both SE2, non-pdb) and would like to make use of the Enterprise Manager Express.
Enabling the port was successful and I can log in to the EM page without any issues (as sys).
However, the Database Home page isn't showing everything that I expected.
The Status part is showing everything correct.
The resources part, that is shown with filled in graphs. (CPU Usage, Active Sessions, Memory and Data Storage).
The performance part only displays "No data to display".
On the "Performance Hub" ASH Analytics page, same story as with the performance part of the home page, it only shows "no data to display".
The same goes for the SQL Monitoring, ADDM and Workload tabs, all empty.
Also the Activity section at the shows no activity whatsover.
I've checked if ASH is enabled with this query:
select a.ksppinm parameter,b.ksppstvl value from x$ksppi a,x$ksppcv b where a.indx=b.indx and ksppinm='_ash_enable';
The outcome is TRUE.
Does anyone have an idea why the "No data to display" is shown in some parts of EM?
Kinds regards