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Oracle® Database Reference
12c Release 1 (12.1)

E17615-23
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V$TEMP_EXTENT_MAP

V$TEMP_EXTENT_MAP displays the status of each unit for all LOCALLY MANAGED temporary tablespaces.

Column Datatype NULL Description
TABLESPACE_NAME VARCHAR2(30) NOT NULL Name of the tablespace this unit belongs to
FILE_ID NUMBER   Absolute file number
BLOCK_ID NUMBER   Begin block number for this unit
BYTES NUMBER   Bytes in the extent
BLOCKS NUMBER   Blocks in the extent
OWNER NUMBER   Instance which owns this unit
RELATIVE_FNO NUMBER   Relative file number
CON_ID NUMBER   The ID of the container to which the data pertains. Possible values include:
  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data