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VIEW: SYS.CDB_EXTENTS

Object Details
Object Name: CDB_EXTENTS
Object Type: VIEW
Owner: SYS
Subobject Name:
Status: VALID

Extents comprising all segments in the database in all containers

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Columns
Name Datatype Length Mandatory Comments
OWNER VARCHAR2 (128)
Owner of the segment associated with the extent
SEGMENT_NAME VARCHAR2 (128)
Name of the segment associated with the extent
PARTITION_NAME VARCHAR2 (128)
Partition/Subpartition Name, if any, of the segment
SEGMENT_TYPE VARCHAR2 (18)
Type of the segment
TABLESPACE_NAME VARCHAR2 (30)
Name of the tablespace containing the extent
EXTENT_ID NUMBER

Extent number in the segment
FILE_ID NUMBER

Name of the file containing the extent
BLOCK_ID NUMBER

Starting block number of the extent
BYTES NUMBER

Size of the extent in bytes
BLOCKS NUMBER

Size of the extent in ORACLE blocks
RELATIVE_FNO NUMBER

Relative number of the file containing the segment header
CON_ID NUMBER

container id
Query Text

Cut, paste (and edit) the following text to query this object:


SELECT OWNER
,      SEGMENT_NAME
,      PARTITION_NAME
,      SEGMENT_TYPE
,      TABLESPACE_NAME
,      EXTENT_ID
,      FILE_ID
,      BLOCK_ID
,      BYTES
,      BLOCKS
,      RELATIVE_FNO
,      CON_ID
FROM SYS.CDB_EXTENTS;

Dependencies

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SYS.CDB_EXTENTS does not reference any database object

SYS.CDB_EXTENTS is referenced by following:

SchemaPUBLIC
SynonymCDB_EXTENTS