Listar o Tamanho em disco ocupado por CADA database do mysql

SELECT table_schema "Data Base Name", sum( data_length + index_length) / 1024 / 1024
"Data Base Size in MB" FROM information_schema.TABLES GROUP BY table_schema

+--------------------+----------------------+

| Data Base Name | Data Base Size in MB |

+--------------------+----------------------+

| billing | 1431.56089401 |

| billing20100110 | 195.48437500 |

| calendar | 0.04969788 |

| chamado | 2.79687500 |

| configurador | 3.54687500 |

| dms | 1.37670231 |

| dotproject | 52.40728092 |

| fntworkflow | 3.75861359 |

| information_schema | 0.00390625 |

| monitoracao | 0.23437500 |

| mysql | 0.51768875 |

| openfire | 0.32731628 |

| sac | 46.89778519 |

| sac_backup | 4.39062500 |

| timesheet | 0.76562500 |

| timesheet_bkp | 0.53125000 |

| webcalendar | 0.06479740 |

| webhtbdb | 0.01000595 |

| workflow | 2061.82812500 |

+--------------------+----------------------+