4.227 DBA_DMT_USED_EXTENTS
DBA_DMT_USED_EXTENTS
describes the extents comprising the segments in all dictionary managed tablespaces in the database.
Column | Datatype | NULL | Description |
---|---|---|---|
|
|
|
File number of the segment header of the extent |
|
|
|
Block number of the segment header of the extent |
|
|
|
Identifier number of the tablespace containing the extent |
|
|
|
Extent number in the segment |
|
|
|
File identifier number of the file containing the extent |
|
|
|
Starting block number of the extent |
|
|
|
Number of blocks in the extent |