|  
 TABLESPACE_NAME 
 | 
 
 VARCHAR2(31) 
 | 
 
 Name of tablespace 
 | 
|  
 SEGMENT_FILE 
 | 
 
 NUMBER 
 | 
 
 File number of the first extent 
 | 
|  
 SEGMENT_BLOCK 
 | 
 
 NUMBER 
 | 
 
 Block number of the first extent 
 | 
|  
 EXTENT_SIZE 
 | 
 
 NUMBER 
 | 
 
 Extent size 
 | 
|  
 CURRENT_USERS 
 | 
 
 NUMBER 
 | 
 
 Number of active users of the segment 
 | 
|  
 TOTAL_EXTENTS 
 | 
 
 NUMBER 
 | 
 
 Total number of extents in the segment 
 | 
|  
 TOTAL_BLOCKS 
 | 
 
 NUMBER 
 | 
 
 Total number of blocks in the segment 
 | 
|  
 RELATIVE_FNO 
 | 
 
 NUMBER 
 | 
 
 Relative file number of the sort segment header 
 | 
|  
 USED_EXTENTS 
 | 
 
 NUMBER 
 | 
 
 Extents allocated to active sorts 
 | 
|  
 USED_BLOCKS 
 | 
 
 NUMBER 
 | 
 
 Blocks allocated to active sorts 
 | 
|  
 FREE_EXTENTS 
 | 
 
 NUMBER 
 | 
 
 Extents not allocated to any sort 
 | 
|  
 FREE_BLOCKS 
 | 
 
 NUMBER 
 | 
 
 Blocks not allocated to any sort 
 | 
|  
 ADDED_EXTENTS 
 | 
 
 NUMBER 
 | 
 
 Number of extent allocations 
 | 
|  
 EXTENT_HITS 
 | 
 
 NUMBER 
 | 
 
 Number of times an unused extent was found in the pool 
 | 
|  
 FREED_EXTENTS 
 | 
 
 NUMBER 
 | 
 
 Number of deallocated extents 
 | 
|  
 FREE_REQUESTS 
 | 
 
 NUMBER 
 | 
 
 Number of requests to deallocate 
 | 
|  
 MAX_SIZE 
 | 
 
 NUMBER 
 | 
 
 Maximum number of extents ever used 
 | 
|  
 MAX_BLOCKS 
 | 
 
 NUMBER 
 | 
 
 Maximum number of blocks ever used 
 | 
|  
 MAX_USED_SIZE 
 | 
 
 NUMBER 
 | 
 
 Maximum number of extents used by all sorts 
 | 
|  
 MAX_USED_BLOCKS 
 | 
 
 NUMBER 
 | 
 
 Maximum number of blocks used by all sorts 
 | 
|  
 MAX_SORT_SIZE 
 | 
 
 NUMBER 
 | 
 
 Maximum number of extents used by an individual sort 
 | 
|  
 MAX_SORT_BLOCKS 
 | 
 
 NUMBER 
 | 
 
 Maximum number of blocks used by an individual sort 
 |