MySQL怎么查看表占用空间大小
这篇文章主要介绍"MySQL怎么查看表占用空间大小",在日常操作中,相信很多人在MySQL怎么查看表占用空间大小问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答"MySQL怎么查看表占用空间大小"的疑惑有所帮助!接下来,请跟着小编一起来学习吧!
//先进去MySQL自带管理库:information_schema
//自己的数据库: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)
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