Skip Headers

Oracle® Database Reference
10g Release 1 (10.1)

Part Number B10755-01
Go to Documentation Home
Go to Book List
Book List
Go to Table of Contents
Go to Index
Go to Master Index
Master Index
Go to Feedback page

Go to previous page
Go to next page
View PDF


DBA_DMT_USED_EXTENTS describes the extents comprising the segments in all dictionary managed tablespaces in the database.

Column Datatype NULL Description
SEGMENT_FILEID NUMBER NOT NULL File number of the segment header of the extent
SEGMENT_BLOCK NUMBER NOT NULL Block number of the segment header of the extent
TABLESPACE_ID NUMBER NOT NULL Identifier number of the tablespace containing the extent
EXTENT_ID NUMBER NOT NULL Extent number in the segment
FILEID NUMBER NOT NULL File identifier number of the file containing the extent
BLOCK NUMBER NOT NULL Starting block number of the extent
LENGTH NUMBER NOT NULL Number of blocks in the extent