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• Request
• Response

Get a tablespace segment

get

/database/storage/tablespaces/{tablespace_name}/segments/{segment_name}

Returns data from DBA_SEGMENTS for a specific tablespace and segment. A client requires SQL Administrator role to invoke this service.

Request

Path Parameters

• segment_name: string
  Name of the segment.
• tablespace_name: string
  Name of the tablespace.

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Response

Supported Media Types

• application/json

200 Response

A specific record from DBA_SEGMENTS for the tablespace and segment name.

Body ()

Root Schema : DatabaseTablespaceSegmentsItem

Type: object

Describes the storage allocated for a segments in the database.

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• blocks(optional): integer
  Size, in Oracle blocks, of the segment.
• buffer_pool(optional): string
  Buffer pool to be used for segment blocks.
• bytes(optional): integer
  Size, in bytes, of the segment.
• cell_flash_cache(optional): string
  Cell flash cache hint to be used for segment blocks.
• cellmemory(optional): string
  The value for columnar compression in the storage cell flash cache.
• extents(optional): integer
  Number of extents allocated to the segment.
• flash_cache(optional): string
  Database Smart Flash Cache hint to be used for segment blocks.
• freelist_groups(optional): integer
  Number of freelist groups allocated to this segment.
• freelists(optional): integer
  Number of process freelists allocated to this segment.
• header_block(optional): integer
  ID of the block containing the segment header.
• header_file(optional): integer
  ID of the file containing the segment header.
• initial_extent(optional): integer
  Size in bytes requested for the initial extent of the segment at create time. Oracle rounds the extent size to multiples of 5 blocks if the requested size is greater than 5 blocks.
• inmemory(optional): string
  Indicates whether the In-Memory Column Store (IM column store) is enabled (ENABLED) or disabled (DISABLED) for this segment.
• inmemory_compression(optional): string
  Indicates the compression level for the IM column store.
• inmemory_distribute(optional): string
  Indicates how the IM column store is distributed in an Oracle Real Application Clusters (Oracle RAC) environment.
• inmemory_duplicate(optional): string
  Indicates the duplicate setting for the IM column store in an Oracle RAC environment.
• inmemory_priority(optional): string
  Indicates the priority for In-Memory Column Store (IM column store) population.
• links(optional): array links
• max_extents(optional): integer
  Maximum number of extents allowed in the segment.
• max_size(optional): integer
  Maximum number of blocks allowed in the segment.
• min_extents(optional): integer
  Minimum number of extents allowed in the segment.
• minretention(optional): integer
  Minimum retention duration for SECUREFILE segment.
• next_extent(optional): integer
  Size in bytes of the next extent to be allocated to the segment.
• owner(optional): string
  Username of the segment owner.
• partition_name(optional): string
  Object Partition Name (Set to NULL for nonpartitioned objects).
• pct_increase(optional): integer
  Percent by which to increase the size of the next extent to be allocated.
• relative_fno(optional): integer
  Relative file number of the segment header.
• retention(optional): string
  Retention option for SECUREFILE segment.
• segment_name(optional): string
  Name, if any, of the segment.
• segment_subtype(optional): string
  Subtype of LOB segment: SECUREFILE, ASSM, MSSM, and NULL.
• segment_type(optional): string
  Type of segment.
• tablespace_name(optional): string
  Name of the tablespace containing the segment.

{
    "type":"object",
    "description":"Describes the storage allocated for a segments in the database.",
    "properties":{
        "owner":{
            "type":"string",
            "description":"Username of the segment owner."
        },
        "segment_name":{
            "type":"string",
            "description":"Name, if any, of the segment."
        },
        "partition_name":{
            "type":"string",
            "description":"Object Partition Name (Set to NULL for nonpartitioned objects)."
        },
        "segment_type":{
            "type":"string",
            "description":"Type of segment."
        },
        "segment_subtype":{
            "type":"string",
            "description":"Subtype of LOB segment: SECUREFILE, ASSM, MSSM, and NULL."
        },
        "tablespace_name":{
            "type":"string",
            "description":"Name of the tablespace containing the segment."
        },
        "header_file":{
            "type":"integer",
            "description":"ID of the file containing the segment header."
        },
        "header_block":{
            "type":"integer",
            "description":"ID of the block containing the segment header."
        },
        "bytes":{
            "type":"integer",
            "description":"Size, in bytes, of the segment."
        },
        "blocks":{
            "type":"integer",
            "description":"Size, in Oracle blocks, of the segment."
        },
        "extents":{
            "type":"integer",
            "description":"Number of extents allocated to the segment."
        },
        "initial_extent":{
            "type":"integer",
            "description":"Size in bytes requested for the initial extent of the segment at create time. Oracle rounds the extent size to multiples of 5 blocks if the requested size is greater than 5 blocks."
        },
        "next_extent":{
            "type":"integer",
            "description":"Size in bytes of the next extent to be allocated to the segment."
        },
        "min_extents":{
            "type":"integer",
            "description":"Minimum number of extents allowed in the segment."
        },
        "max_extents":{
            "type":"integer",
            "description":"Maximum number of extents allowed in the segment."
        },
        "max_size":{
            "type":"integer",
            "description":"Maximum number of blocks allowed in the segment."
        },
        "retention":{
            "type":"string",
            "description":"Retention option for SECUREFILE segment."
        },
        "minretention":{
            "type":"integer",
            "description":"Minimum retention duration for SECUREFILE segment."
        },
        "pct_increase":{
            "type":"integer",
            "description":"Percent by which to increase the size of the next extent to be allocated."
        },
        "freelists":{
            "type":"integer",
            "description":"Number of process freelists allocated to this segment."
        },
        "freelist_groups":{
            "type":"integer",
            "description":"Number of freelist groups allocated to this segment."
        },
        "relative_fno":{
            "type":"integer",
            "description":"Relative file number of the segment header."
        },
        "buffer_pool":{
            "type":"string",
            "description":"Buffer pool to be used for segment blocks."
        },
        "flash_cache":{
            "type":"string",
            "description":"Database Smart Flash Cache hint to be used for segment blocks."
        },
        "cell_flash_cache":{
            "type":"string",
            "description":"Cell flash cache hint to be used for segment blocks."
        },
        "inmemory":{
            "type":"string",
            "description":"Indicates whether the In-Memory Column Store (IM column store) is enabled (ENABLED) or disabled (DISABLED) for this segment."
        },
        "inmemory_priority":{
            "type":"string",
            "description":"Indicates the priority for In-Memory Column Store (IM column store) population."
        },
        "inmemory_distribute":{
            "type":"string",
            "description":"Indicates how the IM column store is distributed in an Oracle Real Application Clusters (Oracle RAC) environment."
        },
        "inmemory_duplicate":{
            "type":"string",
            "description":"Indicates the duplicate setting for the IM column store in an Oracle RAC environment."
        },
        "inmemory_compression":{
            "type":"string",
            "description":"Indicates the compression level for the IM column store."
        },
        "cellmemory":{
            "type":"string",
            "description":"The value for columnar compression in the storage cell flash cache."
        },
        "links":{
            "type":"array",
            "items":{
                "$ref":"#/definitions/LinkRelation"
            }
        }
    }
}

Nested Schema : links

Type: array

Show Source

• Array of: object LinkRelation

{
    "type":"array",
    "items":{
        "$ref":"#/definitions/LinkRelation"
    }
}

Nested Schema : LinkRelation

Type: object

Show Source

• href: string
• rel: string

{
    "type":"object",
    "properties":{
        "rel":{
            "type":"string"
        },
        "href":{
            "type":"string"
        }
    },
    "required":[
        "rel",
        "href"
    ]
}

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