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(18) |
|
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 |
