I came across 1 nuggets about the topic : size on internet.
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%22%20FROM%20information_schema.)
SELECT table_name AS "Table", ROUND(((data_length + index_length) / 1024 / 1024), 2) AS "Size (MB)" FROM information_schema.TABLES WHERE table_schema = "bitfolio" ORDER BY (data_length + index_length) DESC;