查看Mysql数据库大小

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use information_schema
select concat(round(sum(DATA_LENGTH/1024/1024),2), 'MB') as data from TABLES; ##查看所有数据库的大小
select concat(round(sum(DATA_LENGTH/1024/1024),2), 'MB') as data from TABLESwhere table_schema= 'zxtong' ;##查看某个数据库的大小
select concat(round(sum(DATA_LENGTH/1024/1024),2), 'MB') as data from TABLES where table_schema= 'zxtong'and table_name= 'user';##查看某个表的大小

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