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Oracle® Database Reference
11g Release 2 (11.2)

E40402-10
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DBA_DMT_FREE_SPACE

DBA_DMT_FREE_SPACE describes the free extents in all dictionary managed tablespaces in the database.

Column Datatype NULL Description
TABLESPACE_ID NUMBER NOT NULL Identifier number of the tablespace containing the extent
FILE_ID NUMBER NOT NULL File identifier number of the file containing the extent
BLOCK_ID NUMBER NOT NULL Starting block number of the extent
BLOCKS NUMBER NOT NULL Size of the extent (in Oracle blocks)