SELECT 
    table_name,
    table_rows,
    round(data_length/(1024*1024),2) as 'DATA_SIZE(MB)',
    round(index_length/(1024*1024),2) as 'INDEX_SIZE(MB)'
FROM information_schema.TABLES
where table_schema = '데이터베이스이름'
GROUP BY table_name 
ORDER BY data_length DESC 
LIMIT 10;

SELECT 
    count(*) NUM_OF_TABLE,
    table_schema,concat(round(sum(table_rows)/1000000,2),'M') rows,
    concat(round(sum(data_length)/(1024*1024*1024),2),'G') DATA,
    concat(round(sum(index_length)/(1024*1024*1024),2),'G') idx,
    concat(round(sum(data_length+index_length)/(1024*1024*1024),2),'G') total_size,
    round(sum(index_length)/sum(data_length),2) idxfrac
FROM information_schema.TABLES
GROUP BY table_schema
ORDER BY sum(data_length+index_length) DESC LIMIT 10;