mariadb used space

1mysql> select table_schema, sum((data_length+index_length)/1024/1024) AS MB from information_schema.tables group by 1;
2+--------------------+-----------------+
3| table_schema       | MB              |
4+--------------------+-----------------+
5| prod               | 298025.72448921 |
6| information_schema |      0.00781248 |
7| maatkit            |     70.77330779 |
8| mysql              |      0.66873168 |
9| test               |   4752.31449127 |
10+--------------------+-----------------+
115 rows in set (0.01 sec)
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