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DBA Data [Home] [Help] [Dependency Information]

VIEW: SYS.DBA_EXTENTS

Object Details

Object Name:	DBA_EXTENTS
Object Type:	VIEW
Owner:	SYS
Subobject Name:
Status:	VALID

Extents comprising all segments in the database

[View Source]

Columns

Name	Datatype	Length	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

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
FROM SYS.DBA_EXTENTS;

Dependencies

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SYS.DBA_EXTENTS references the following:

SYS: FILE$; SYS_DBA_SEGS; UET$

SYS.DBA_EXTENTS is referenced by following:

PUBLIC: DBA_EXTENTS
SYS: DBMS_PARALLEL_EXECUTE_INTERNAL - show dependent code; PRVT_ILM - show dependent code