A lot of my ideas for blog posts come from questions emailed to me or asked via Twitter.  Today’s blog is no different, as I was asked by someone in the community what the best method of comparing databases using features within AWR when migrating from one host and OS to another. There is a  lot of planning that must go into a project to migrate a database to another host or consolidate to another server, but when we introduce added changes, such as a different OS, new applications, workload or other demands, these need to be taken into consideration.…