Oracle Architecture Part 2
[embedplusvideo height=”328″ width=”584″ standard=”http://www.youtube.com/v/wmc9uxNW99E?fs=1″ vars=”ytid=wmc9uxNW99E&width=584&height=328&start=&stop=&rs=w&hd=0&autoplay=0&react=1&chapters=¬es=” id=”ep5503″ /] Check out part 1 first. Notes: Online Redo Logs Contains Redo and Undo info DML Inserts/Deletes DDL – Create alter drop Commits Need at least 2 files/groups Should be multiplexed each on different devices and controlers When each file fils, next one is started and old one is archived (if …