Table Oracle PLSQL

SQL>
SQL>
SQL> describe user_tables
 Name                                                                                                      Null?    Type
 ----------------------------------------------------------------------------------------------------------------- -------- ----------------------------------------------------------------------------
 TABLE_NAME                                                                                                NOT NULL VARCHAR2(30)
 TABLESPACE_NAME                                                                                                    VARCHAR2(30)
 CLUSTER_NAME                                                                                                       VARCHAR2(30)
 IOT_NAME                                                                                                           VARCHAR2(30)
 STATUS                                                                                                             VARCHAR2(8)
 PCT_FREE                                                                                                           NUMBER
 PCT_USED                                                                                                           NUMBER
 INI_TRANS                                                                                                          NUMBER
 MAX_TRANS                                                                                                          NUMBER
 INITIAL_EXTENT                                                                                                     NUMBER
 NEXT_EXTENT                                                                                                        NUMBER
 MIN_EXTENTS                                                                                                        NUMBER
 MAX_EXTENTS                                                                                                        NUMBER
 PCT_INCREASE                                                                                                       NUMBER
 FREELISTS                                                                                                          NUMBER
 FREELIST_GROUPS                                                                                                    NUMBER
 LOGGING                                                                                                            VARCHAR2(3)
 BACKED_UP                                                                                                          VARCHAR2(1)
 NUM_ROWS                                                                                                           NUMBER
 BLOCKS                                                                                                             NUMBER
 EMPTY_BLOCKS                                                                                                       NUMBER
 AVG_SPACE                                                                                                          NUMBER
 CHAIN_CNT                                                                                                          NUMBER
 AVG_ROW_LEN                                                                                                        NUMBER
 AVG_SPACE_FREELIST_BLOCKS                                                                                          NUMBER
 NUM_FREELIST_BLOCKS                                                                                                NUMBER
 DEGREE                                                                                                             VARCHAR2(10)
 INSTANCES                                                                                                          VARCHAR2(10)
 CACHE                                                                                                              VARCHAR2(5)
 TABLE_LOCK                                                                                                         VARCHAR2(8)
 SAMPLE_SIZE                                                                                                        NUMBER
 LAST_ANALYZED                                                                                                      DATE
 PARTITIONED                                                                                                        VARCHAR2(3)
 IOT_TYPE                                                                                                           VARCHAR2(12)
 TEMPORARY                                                                                                          VARCHAR2(1)
 SECONDARY                                                                                                          VARCHAR2(1)
 NESTED                                                                                                             VARCHAR2(3)
 BUFFER_POOL                                                                                                        VARCHAR2(7)
 ROW_MOVEMENT                                                                                                       VARCHAR2(8)
 GLOBAL_STATS                                                                                                       VARCHAR2(3)
 USER_STATS                                                                                                         VARCHAR2(3)
 DURATION                                                                                                           VARCHAR2(15)
 SKIP_CORRUPT                                                                                                       VARCHAR2(8)
 MONITORING                                                                                                         VARCHAR2(3)
 CLUSTER_OWNER                                                                                                      VARCHAR2(30)
 DEPENDENCIES                                                                                                       VARCHAR2(8)
 COMPRESSION                                                                                                        VARCHAR2(8)
 DROPPED                                                                                                            VARCHAR2(3)