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Object Name: | DBA_ROLLBACK_SEGS |
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Object Type: | VIEW |
Owner: | SYS |
Subobject Name: | |
Status: | VALID |
Description of rollback segments
Name | Datatype | Length | Mandatory | Comments |
---|---|---|---|---|
SEGMENT_NAME | VARCHAR2 | (30) | Yes | Name of the rollback segment |
OWNER | VARCHAR2 | (6) | Owner of the rollback segment | |
TABLESPACE_NAME | VARCHAR2 | (30) | Yes | Name of the tablespace containing the rollback segment |
SEGMENT_ID | NUMBER | Yes | ID number of the rollback segment | |
FILE_ID | NUMBER | Yes | ID number of the file containing the segment header | |
BLOCK_ID | NUMBER | Yes | ID number of the block containing the segment header | |
INITIAL_EXTENT | NUMBER | Initial extent size in bytes | ||
NEXT_EXTENT | NUMBER | Secondary extent size in bytes | ||
MIN_EXTENTS | NUMBER | Yes | Minimum number of extents | |
MAX_EXTENTS | NUMBER | Yes | Maximum number of extents | |
PCT_INCREASE | NUMBER | Percent increase for extent size | ||
STATUS | VARCHAR2 | (16) | Rollback segment status | |
INSTANCE_NUM | VARCHAR2 | (40) | Rollback segment owning parallel server instance number | |
RELATIVE_FNO | NUMBER | Yes | Relative number of the file containing the segment header |
Cut, paste (and edit) the following text to query this object:
SELECT SEGMENT_NAME
, OWNER
, TABLESPACE_NAME
, SEGMENT_ID
, FILE_ID
, BLOCK_ID
, INITIAL_EXTENT
, NEXT_EXTENT
, MIN_EXTENTS
, MAX_EXTENTS
, PCT_INCREASE
, STATUS
, INSTANCE_NUM
, RELATIVE_FNO
FROM SYS.DBA_ROLLBACK_SEGS;
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