What is most valuable?
Performance tuning, segment and memory advisor
How has it helped my organization?
All our production systems are monitored by OEM to get the alerts and warnings and deal with it
What needs improvement?
One of the biggest issues, specially for 12c grid contro,l is the performance; to be able to monitor and find the root cause of performance issue immediately, in real time. It is important for the grid control to perform quickly in order to minimize the time of investigation and to identify the root cause and required solution,
For how long have I used the solution?
What was my experience with deployment of the solution?
Some times with 12C
Which solution did I use previously and why did I switch?
Which other solutions did I evaluate?
What other advice do I have?
For Oracle databases and Oracle products in general, OEM is the best monitoring / console solution to get live and historical overview on your systems