Oracle Enterprise Manager overview
Oracle Enterprise Manager (OEM) is basically a management suite that allows enterprises to centrally manage and monitor almost all layers of the stack across a variety of systems within an enterprise's IT landscape.
Cloud Control 12c is the latest version of OEM and it provides many improvements and several bug fixes over previous versions of the product. For this reason, if you are planning to implement OEM the recommended version, at least at the time of writing, is OEM Cloud Control 12c. Its predecessor, OEM Grid Control 11g, is generally considered to be a much less stable version and is no longer available for download from the Oracle Technology Network (OTN) or from edelivery.oracle.com (it can only be downloaded by creating a ticket in the Oracle Support website).
Although OEM is not by any means the only product of its kind available in the market, it delivers several benefits and advantages especially when it is used to monitor Oracle platforms,...