//先進去MySQL內建管理庫:information_schema //自己的資料庫:dbwww58com_kuchecarlib //自己的表:t_carmodelparamvalue mysql> use information_schema; Database changed mysql> select data_length,index_length -> from tables where -> table_schema='dbwww58com_kuchecarlib' -> and table_name = 't_carmodelparamvalue'; +-------------+--------------+ | data_length | index_length | +-------------+--------------+ | 166379520 | 235782144 | +-------------+--------------+ 1 row in set (0.02 sec) mysql> select concat(round(sum(data_length/1024/1024),2),'MB') as data_length_MB, -> concat(round(sum(index_length/1024/1024),2),'MB') as index_length_MB -> from tables where -> table_schema='dbwww58com_kuchecarlib' -> and table_name = 't_carmodelparamvalue'; +----------------+-----------------+ | data_length_MB | index_length_MB | +----------------+-----------------+ | 158.67MB | 224.86MB | +----------------+-----------------+ 1 row in set (0.03 sec)