mysql查詢數據庫數據量

查詢數據庫數據量大小

-- SHOW TABLE_SCHEMA;
-- use information_schema;
SELECT
	concat(
		round(
			sum(data_length / 1024 / 1024),
			2
		),
		'MB'
	) AS DATA
FROM
	TABLES
WHERE
	table_schema = '你的數據庫名字';