MySQL怎么查看表占用空間大小

這篇文章主要介紹“怎么查看表占用空間大小”，在日常操作中，相信很多人在MySQL怎么查看表占用空間大小問(wèn)題上存在疑惑，小編查閱了各式資料，整理出簡(jiǎn)單好用的操作方法，希望對大家解答”MySQL怎么查看表占用空間大小”的疑惑有所幫助！接下來(lái)，請跟著(zhù)小編一起來(lái)學(xué)習吧！

//先進(jìn)去MySQL自帶管理庫：information_schema   
//自己的數據庫：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 |  
+-------------+--------------+  
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        |  
+----------------+-----------------+  
row in set (0.03 sec)