SELECT ENGINE,
ROUND(SUM(data_length) /1024/1024, 1) AS "Data MB",
ROUND(SUM(index_length)/1024/1024, 1) AS "Index MB",
ROUND(SUM(data_length + index_length)/1024/1024, 1) AS "Total MB",
COUNT(*) "Num Tables"
FROM INFORMATION_SCHEMA.TABLES
WHERE table_schema not in ("information_schema", "performance_schema")
GROUP BY ENGINE;