Oracle® Database Reference 11g Release 1 (11.1) Part Number B28320-01 |
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DBA_LMT_USED_EXTENTS
describes the extents comprising the segments in all locally managed tablespaces in the database.
Column | Datatype | NULL | Description |
---|---|---|---|
SEGMENT_FILEID |
NUMBER |
File number of the segment header of the extent | |
SEGMENT_BLOCK |
NUMBER |
Block number of the segment header of the extent | |
TABLESPACE_ID |
NUMBER |
Identifier number of the tablespace containing the extent | |
EXTENT_ID |
NUMBER |
Extent number in the segment | |
FILEID |
NUMBER |
File identifier number of the file containing the extent | |
BLOCK |
NUMBER |
Starting block number of the extent | |
LENGTH |
NUMBER |
Number of blocks in the extent |