Description of the illustration exp_undo_advsr_ex.gif
This is an image of the Undo Advisor, which is a graph. The x-axis is labeled "Undo Retention Time," and the time is shown in seconds. The origin is labeled 0, and 2,000 and 4,000 are also labeled. The y-axis is labeled "Undo Tablespace Size". The original is labeled 0, and there are labels for 2 MB, 4 MB, 6 MB, and so on up to 20 MB. At the top right of the graph is a blue circle labeled Target. The graph has an orange line plotted on it, and a blue tick-mark, or point represents the target undo retention time that is currently set for the database. The point on the orange line that has been clicked has caused the following to display in the Undo Advisor: "Undo Retention Time: 3884s (1 hour, 4 minutes, 44 seconds)" and "Undo Tablespace Size: 20MB."