SORT NOTES:
Sort Parameter - Name of the sort parameter
Value - Number of sorts
sorts (memory) - The number of sorts small enough to be performed entirely in sort areas
without using temporary segments.
sorts (disk) - The number of sorts that were large enough to require the use of temporary
segments for sorting.
sorts (rows) - Number of sorted rows
The memory area available for sorting is set via the SORT_AREA_SIZE and SORT_AREA_RETAINED_SIZE init.ora parameters.