USER_EXTENTS

Extents comprising segments owned by the user

Columns
   ___________________________
 
   SEGMENT_NAME
      Name of the segment associated with the extent
   PARTITION_NAME
      Partition/Subpartition Name,if any,of the segment
   SEGMENT_TYPE
      Type of the segment
   TABLESPACE_NAME
      Name of the tablespace containing the extent
   EXTENT_ID
      Extent number in the segment
   BYTES
      Size of the extent in bytes
   BLOCKS
      Size of the extent in ORACLE blocks

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