dba_segments

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 Name                                      Null?    Type
 ----------------------------------------- -------- ----------------------------
 OWNER                                              VARCHAR2(30)
 SEGMENT_NAME                                       VARCHAR2(81)
 PARTITION_NAME                                     VARCHAR2(30)
 SEGMENT_TYPE                                       VARCHAR2(18)
 TABLESPACE_NAME                                    VARCHAR2(30)
 HEADER_FILE                                        NUMBER
 HEADER_BLOCK                                       NUMBER
 BYTES                                              NUMBER
 BLOCKS                                             NUMBER
 EXTENTS                                            NUMBER
 INITIAL_EXTENT                                     NUMBER
 NEXT_EXTENT                                        NUMBER
 MIN_EXTENTS                                        NUMBER
 MAX_EXTENTS                                        NUMBER
 PCT_INCREASE                                       NUMBER
 FREELISTS                                          NUMBER
 FREELIST_GROUPS                                    NUMBER
 RELATIVE_FNO                                       NUMBER
 BUFFER_POOL                                        VARCHAR2(7)

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