【原创】关于oracle11G空表无法导出问题的解决方法

--批量分析统计表记录总数
begin
  for obj in (select ‘analyze table ‘||table_name|| ‘ compute statistics ‘ sqlstr from user_tables) loop  --in里面的select无分号                                                                    
      execute immediate obj.sqlstr;
  end loop;
end;

--批量分配
begin
  for obj in (select ‘alter table ‘||table_name|| ‘ allocate extent ‘ sqlstr from user_tables where num_rows=0 or num_rows is null) loop  --in里面的select无分号                                                                           
      execute immediate obj.sqlstr;
  end loop;
end;