| 
 
OWNER   | 
 
VARCHAR2(30)   | 
 
   | 
 
Username of the segment owner   | 
| 
 
SEGMENT_NAME   | 
 
VARCHAR2(81)   | 
 
   | 
 
Name, if any, of the segment   | 
| 
 
PARTITION_NAME   | 
 
VARCHAR2(30)   | 
 
   | 
 
Object Partition Name (Set to NULL for non-partitioned objects)   | 
| 
 
SEGMENT_TYPE   | 
 
VARCHAR2(17)   | 
 
   | 
 
Type of segment: INDEX PARTITION, TABLE PARTITION, TABLE, CLUSTER, INDEX, ROLLBACK, DEFERRED ROLLBACK, TEMPORARY, CACHE, LOBSEGMENT and LOBINDEX   | 
| 
 
TABLESPACE_NAME    | 
 
VARCHAR2(30)   | 
 
   | 
 
Name of the tablespace containing the segment   | 
| 
 
HEADER_FILE    | 
 
NUMBER   | 
 
   | 
 
ID of the file containing the segment header   | 
| 
 
HEADER_BLOCK   | 
 
NUMBER   | 
 
   | 
 
ID of the block containing the segment header   | 
| 
 
BYTES    | 
 
NUMBER   | 
 
   | 
 
Size in bytes, of the segment   | 
| 
 
BLOCKS    | 
 
NUMBER   | 
 
   | 
 
Size, in Oracle blocks, of the segment   | 
| 
 
EXTENTS   | 
 
NUMBER   | 
 
   | 
 
Number of extents allocated to the segment   | 
| 
 
INITIAL_EXTENT   | 
 
NUMBER   | 
 
   | 
 
Size in bytes requested for the initial extent of the segment at create time. (Oracle rounds the extent size to multiples of 5 blocks if the requested size is greater than 5 blocks.)   | 
| 
 
NEXT_EXTENT    | 
 
NUMBER   | 
 
   | 
 
Size in bytes of the next extent to be allocated to the segment   | 
| 
 
MIN_EXTENTS   | 
 
NUMBER   | 
 
   | 
 
Minimum number of extents allowed in the segment   | 
| 
 
MAX_EXTENTS   | 
 
NUMBER   | 
 
   | 
 
Maximum number of extents allowed in the segment   | 
| 
 
PCT_INCREASE    | 
 
NUMBER   | 
 
   | 
 
Percent by which to increase the size of the next extent to be allocated   | 
| 
 
FREELISTS    | 
 
NUMBER   | 
 
   | 
 
Number of process freelists allocated to this segment   | 
| 
 
FREELIST_GROUPS    | 
 
NUMBER   | 
 
   | 
 
Number of freelist groups allocated to this segment   | 
| 
 
RELATIVE_FNO   | 
 
NUMBER   | 
 
   | 
 
Relative file number of the segment header   | 
| 
 
BUFFER_POOL   | 
 
VARCHAR2(7)   | 
 
   | 
 
Default buffer pool for the object   |