sql，SELECT table_schema AS 'Database', ， ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS 'Size (MB)' ，FROM information_schema.tables ，GROUP BY table_schema;，``，，这个命令会显示每个数据库的大小（以MB为单位）。sql，SELECT table_schema AS 'Database', ， ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS 'Size (MB)' ，FROM information_schema.tables ，GROUP BY table_schema;，``，，这个命令会显示每个数据库的大小（以MB为单位）。Powered By Z-BlogPHP 1.7.3