2.199 ALL_LOB_PARTITIONS

ALL_LOB_PARTITIONS displays the LOB partitions in the tables accessible to the current user.

Related Views

  • DBA_LOB_PARTITIONS displays all LOB partitions in the database.

  • USER_LOB_PARTITIONS displays the LOB partitions owned by the current user. This view does not display the TABLE_OWNER column.

Column Datatype NULL Description

TABLE_OWNER

VARCHAR2(128)

Owner of the table

TABLE_NAME

VARCHAR2(128)

Name of the table

COLUMN_NAME

VARCHAR2(4000)

Name of the LOB column

LOB_NAME

VARCHAR2(128)

Name of the partitioned LOB item

PARTITION_NAME

VARCHAR2(128)

Name of the table partition

LOB_PARTITION_NAME

VARCHAR2(128)

Name of the LOB data partition

LOB_INDPART_NAME

VARCHAR2(128)

Name of the corresponding LOB index partition

PARTITION_POSITION

NUMBER

Position of the LOB data partition within the LOB item

COMPOSITE

VARCHAR2(3)

Indicates whether the partition is composite (YES) or not (NO)

CHUNK

NUMBER

Value of the CHUNK attribute of the LOB data partition

PCTVERSION

NUMBER

Value of the PCTVERSION attribute of the LOB data partition

CACHE

VARCHAR2(10)

Indicates whether and how the LOB data is to be cached in the buffer cache:

  • YES - LOB data is placed in the buffer cache

  • NO - LOB data either is not brought into the buffer cache or is brought into the buffer cache and placed at the least recently used end of the LRU list

  • CACHEREADS - LOB data is brought into the buffer cache only during read operations but not during write operations

IN_ROW

VARCHAR2(3)

Indicates whether the STORAGE IN ROW attribute is enabled for the LOB data partition (YES) or not (NO)

TABLESPACE_NAME

VARCHAR2(30)

Name of the tablespace containing the LOB data partition

INITIAL_EXTENT

VARCHAR2(40)

Size (in bytes) of the initial extent of the LOB data partition, or DEFAULT

NEXT_EXTENT

VARCHAR2(40)

Size (in bytes) of secondary extents of the LOB data partition, or DEFAULT

MIN_EXTENTS

VARCHAR2(40)

Minimum number of extents allowed in the segment of the LOB data partition, or DEFAULT

MAX_EXTENTS

VARCHAR2(40)

Maximum number of extents allowed in the segment of the LOB data partition, or DEFAULT

MAX_SIZE

VARCHAR2(40)

Maximum number of blocks allowed in the segment of the LOB data partition, or DEFAULT

RETENTION

VARCHAR2(7)

Retention option.

Possible values for a SecureFiles segment:

  • NONE

  • AUTO

  • MIN

  • MAX

  • DEFAULT

  • INVALID

Possible values for a BasicFiles segment:

  • YES

  • NO

MINRETENTION

VARCHAR2(40)

Minimum retention duration for a SecureFiles segment, or DEFAULT

PCT_INCREASE

VARCHAR2(40)

Percentage increase in extent size for the LOB data partition, or DEFAULT

FREELISTS

VARCHAR2(40)

Number of process freelists allocated in the segment of the LOB data partition, or DEFAULT

FREELIST_GROUPS

VARCHAR2(40)

Number of freelist groups allocated in the segment of the LOB data partition, or DEFAULT

LOGGING

VARCHAR2(7)

Indicates whether or not changes to the LOB are logged:

  • NONE - Not specified

    See Also: the *_LOB_SUBPARTITIONS view

  • YES

  • NO

BUFFER_POOL

VARCHAR2(7)

Buffer pool for the LOB partition blocks:

  • DEFAULT

  • KEEP

  • RECYCLE

  • NULL

FLASH_CACHE

VARCHAR2(7)

Database Smart Flash Cache hint to be used for partition blocks:

  • DEFAULT

  • KEEP

  • NONE

Solaris and Oracle Linux functionality only.

CELL_FLASH_CACHE

VARCHAR2(7)

Cell flash cache hint to be used for partition blocks:

  • DEFAULT

  • KEEP

  • NONE

See Also: Oracle Exadata Storage Server Software documentation for more information

ENCRYPT

VARCHAR2(4)

Indicates whether or not the LOB is encrypted.

Possible values for SecureFiles:

  • YES

  • NO

Possible value for BasicFiles:

  • NONE - Not applicable

COMPRESSION

VARCHAR2(6)

Level of compression used for this LOB.

Possible values for SecureFiles:

  • LOW

  • MEDIUM

  • HIGH

  • NO - Compression is off

Possible value for BasicFiles:

  • NONE - Not applicable

DEDUPLICATION

VARCHAR2(15)

Kind of deduplication used for this LOB.

Possible values for SecureFiles:

  • LOB - Deduplicate

  • NO - Keep duplicates

Possible value for BasicFiles:

  • NONE - Not applicable

SECUREFILE

VARCHAR2(3)

Indicates whether the LOB is SecureFiles (YES) or not (NO)

SEGMENT_CREATED

VARCHAR2(3)

Indicates whether the LOB partition segment has been created (YES) or not (NO); N/A indicates that this LOB is subpartitioned and no segment exists at the partition level

See Also: