DBMS_STATS.GATHER_TABLE_STATS

DBMS_STATS.GATHER_TABLE_STATS (
   ownname          VARCHAR2, 
   tabname          VARCHAR2, 
   partname         VARCHAR2            DEFAULT  NULL,
   estimate_percent NUMBER              DEFAULT  to_estimate_percent_type (get_param('ESTIMATE_PERCENT')),
   block_sample     BOOLEAN             DEFAULT  FALSE,
   method_opt       VARCHAR2            DEFAULT  get_param('METHOD_OPT'),
   degree           NUMBER              DEFAULT  to_degree_type(get_param('DEGREE')),                 -- Degree of parallelism used to gather table stats.
   granularity      VARCHAR2            DEFAULT  GET_PARAM('GRANULARITY'),                            -- Only for partitioned objects: 
                                                                                                      -- ALL, APPROX_GLOBAL AND PARTITION, AUTO, DEFAULT
                                                                                                      -- GLOBAL, GLOBAL AND PARTITION, PARTITION or SUBPARTITION
   cascade          BOOLEAN             DEFAULT  to_cascade_type(get_param('CASCADE')),               -- Should statistics also be collected for a table's indexes.
   stattab          VARCHAR2            DEFAULT  NULL, 
   statid           VARCHAR2            DEFAULT  NULL,
   statown          VARCHAR2            DEFAULT  NULL,
   no_invalidate    BOOLEAN             DEFAULT  to_no_invalidate_type ( get_param('NO_INVALIDATE')),
   stattype         VARCHAR2            DEFAULT 'DATA',
   force            BOOLEAN             DEFAULT  FALSE,
   context          DBMS_STATS.CCONTEXT DEFAULT  NULL, -- non operative
   options          VARCHAR2            DEFAULT  get_param('OPTIONS')
);

begin
   dbms_stats.gather_table_stats (
       ownname          =>  user,
       tabname          => '...',
   --  partname         =>  ...
       estimate_percent =>  100,
       method_opt       => 'for all columns size auto',
       cascade          =>  true
   );
end;
/