5.144 DBA_LMT_USED_EXTENTS

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