mysql 数据库，表存储 大小
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use information_schema;
-- 查询一个数据库存储大小
select concat(round(sum(data_length/1024/1024),2),‘MB‘) as data from tables where table_schema=‘database nane‘; 85MB
-- 查询一个表存储大小
select concat(round(sum(data_length/1024/1024),2),‘MB‘) as data from tables where table_schema=‘database nane‘ and table_name=‘saleorder‘; 0.23MB/505
select concat(round(sum(data_length/1024/1024),2),‘MB‘) as data from tables where table_schema=‘database nane‘ and table_name=‘productset‘; 0.08MB/134
select concat(round(sum(data_length/1024/1024),2),‘MB‘) as data from tables where table_schema=‘database nane‘ and table_name=‘product‘; 0.19MB/487
select concat(round(sum(data_length/1024/1024),2),‘MB‘) as data from tables where table_schema=‘database nane‘ and table_name=‘productattribute‘; 0.11MB/711
select concat(round(sum(data_length/1024/1024),2),‘MB‘) as data from tables where table_schema=‘database nane‘ and table_name=‘userpictures‘; 0.02MB/30
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