• Sort the grid by clicking on a column heading. The "sorted by" column displays an arrow pointing upward if it is sorted in ascending order, or pointing downward for a descending sort.

  • To see extents for objects owned by SYS, select SYS from the Owner dropdown list.

  • If you have access to the DBA_ views, make sure the View|Toad Options|Startup|Check for DBA Views check box is checked. If it is checked, the Owner dropdown list will become active, and a DBA user can select a specific schema owner. Click GO to fetch the results.