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;
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 = '{DB_NAME}'
GROUP BY table_name
ORDER BY data_length DESC;