mysql：查看库、表大小

1. 查看该 数据库实例下全部库大小，获得的结果是以MB为单位  mysql> select table_schema,sum(data_length)/1024/1024 as data_length,sum(index_length)/1024/1024 \ as index_length,sum(data_length+index_length)/1024/1024 as sum from

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