How to get size of mysql database?

db-sizes.sql

-- http://forums.mysql.com/read.php?108,201578,201578

SELECT
	table_schema "Data Base Name",
	SUM( data_length + index_length ) / 1024 / 1024 "Data Base Size in MB",
	SUM( data_free )/ 1024 / 1024 "Free Space in MB"
FROM information_schema.TABLES
GROUP BY table_schema;



SELECT table_schema "Data Base Name", SUM( data_length + index_length ) / 1024 / 1024 "Data Base Size in MB" 
FROM information_schema.TABLES GROUP BY table_schema ; 


-- http://stackoverflow.com/questions/1733507/how-to-get-size-of-mysql-database
SELECT table_schema                                        `DB Name`,
   ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) `DB Size in MB`
FROM   information_schema.tables 
GROUP  BY table_schema
ORDER BY `DB Size in MB` DESC;