拉取数据库里的 表字典

SELECT a.`table_name`,a.`table_comment`,b.`column_name`,b.`column_type`,b.`column_comment`
FROM information_schema.`tables` a INNER JOIN information_schema.`columns` b
ON a.`table_schema` = b.`table_schema` AND a.table_name = b.`table_name` AND a.`table_schema` = '数据库名'