I’m old enough to remember the days when Oracle database administrators managed rollback segments by hand. When Oracle introduced automatic undo retention, people (myself included) balked at the idea, confident that it couldn’t manage rollback appropriately. Years later, I can’t imagine a world without that feature!
Database administrators have expressed skepticism toward other new features and advances over the years, including Recovery Manager, Automatic Shared Memory Management, and virtual machines. Each introduced new ...
