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Oracle® Database Reference
11g Release 1 (11.1)

Part Number B28320-01
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ALL_LOBS

ALL_LOBS displays the large objects (LOBs) contained in tables accessible to the current user. LOBs include binary large objects (BLOBs) and character large objects (CLOBs). Binary files (BFILEs) are stored outside the database, so they are not displayed by this view or the related views.

Related Views

Column Datatype NULL Description
OWNER VARCHAR2(30)
Owner of the object containing the LOB
TABLE_NAME VARCHAR2(30)
Name of the object containing the LOB
COLUMN_NAME VARCHAR2(4000)
Name of the LOB column or attribute
SEGMENT_NAME VARCHAR2(30)
Name of the LOB segment
TABLESPACE_NAME VARCHAR2(30)
Name of the tablespace containing the LOB segment
INDEX_NAME VARCHAR2(30)
Name of the LOB index
CHUNK NUMBER
Size (in bytes) of the LOB chunk as a unit of allocation or manipulation
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)
Indicates whether and how the cluster is to be cached in the buffer cache (YES, NO, CACHEREADS)
LOGGING VARCHAR2(7)   Indicates whether changes to the LOB are logged (YES) or not (NO)
ENCRYPT VARCHAR2(3)
Whether or not the LOB is encrypted
COMPRESSION VARCHAR2(6)
The level of compression used for this LOB
DEDUPLICATION VARCHAR2(15)
The kind of deduplication used for this LOB
IN_ROW VARCHAR2(3)   Indicates whether some of the LOBs are stored inline with the base row (YES) or not (NO). For partitioned objects, refer to the *_LOB_PARTITIONS and *_PART_LOBS views.
FORMAT VARCHAR2(15)   Indicates whether the LOB storage format is dependent on the endianness of the platform:
  • NOT APPLICABLE

  • ENDIAN SPECIFIC

  • ENDIAN NEUTRAL

PARTITIONED VARCHAR2(3)   Indicates whether the LOB column is in a partitioned table (YES) or not (NO)
SECUREFILE VARCHAR2(3)   Indicates whether the LOB is a SecureFile LOB (YES) or not (NO)