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Object Name: | DBA_LOBS |
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Object Type: | VIEW |
Owner: | SYS |
Subobject Name: | |
Status: | VALID |
Description of LOBs contained in all tables
Name | Datatype | Length | Mandatory | Comments |
---|---|---|---|---|
OWNER | VARCHAR2 | (128) | Owner of the table containing the LOB | |
TABLE_NAME | VARCHAR2 | (128) | Name of the table containing the LOB | |
COLUMN_NAME | VARCHAR2 | (4000) | Name of the LOB column or attribute | |
SEGMENT_NAME | VARCHAR2 | (128) | Name of the LOB segment | |
TABLESPACE_NAME | VARCHAR2 | (30) | Name of the tablespace containing the LOB segment | |
INDEX_NAME | VARCHAR2 | (128) | Name of the LOB index | |
CHUNK | NUMBER | Size of the LOB chunk as a unit of allocation/manipulation in bytes | ||
PCTVERSION | NUMBER | Maximum percentage of the LOB space used for versioning | ||
RETENTION | NUMBER | Maximum time duration for versioning of the LOB space | ||
FREEPOOLS | NUMBER | Number of freepools for this LOB segment | ||
CACHE | VARCHAR2 | (10) | Is the LOB accessed through the buffer cache? | |
LOGGING | VARCHAR2 | (7) | Are changes to the LOB logged? | |
ENCRYPT | VARCHAR2 | (4) | Is this lob encrypted? | |
COMPRESSION | VARCHAR2 | (6) | What level of compression is used for this lob? | |
DEDUPLICATION | VARCHAR2 | (15) | What kind of deduplication is used for this lob? | |
IN_ROW | VARCHAR2 | (3) | Are some of the LOBs stored with the base row? | |
FORMAT | VARCHAR2 | (15) | Is the LOB storage format dependent on the endianness of the platform? | |
PARTITIONED | VARCHAR2 | (3) | Is the LOB column in a partitioned table? | |
SECUREFILE | VARCHAR2 | (3) | Is the LOB a SECUREFILE LOB? | |
SEGMENT_CREATED | VARCHAR2 | (3) | Is the LOB segment created? | |
RETENTION_TYPE | VARCHAR2 | (7) | ||
RETENTION_VALUE | NUMBER |
Cut, paste (and edit) the following text to query this object:
SELECT OWNER
, TABLE_NAME
, COLUMN_NAME
, SEGMENT_NAME
, TABLESPACE_NAME
, INDEX_NAME
, CHUNK
, PCTVERSION
, RETENTION
, FREEPOOLS
, CACHE
, LOGGING
, ENCRYPT
, COMPRESSION
, DEDUPLICATION
, IN_ROW
, FORMAT
, PARTITIONED
, SECUREFILE
, SEGMENT_CREATED
, RETENTION_TYPE
, RETENTION_VALUE
FROM SYS.DBA_LOBS;
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