mysql查询如下所示: SELECT d.m,d.fn/(d.fn+d2.tp)*100 FROM SELECT MONTH(created_at) AS m, COUNT(*) ASdocument_state = "APPROVED" ) d ( document_state = "AUTHENTIC"
我正在尝试使用python来获取这些信息并将其放入MySQL DB中。
问题是,在将数据加载到MySQL时,我得到了一个错误。\conversion.py",第179行,在to_mysql中返回getattr(self,“_{0}_to_mysql”.format(Type_name))(值) AttributeError:'es\mysql\connector\cursor.py",第417行,在res = to_mysql(i) for i in res
我有一个琐事游戏,我想奖励2个事件的用户:2)将问题发送到题库SELECT (correct*10+sent*30) AS score, @rank:=@rank+1 AS rank JOIN ( SELECT COUNT(*) AS sent, senderid WHERE senderid='$userid'
当我试图用ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'myPassword';更改mysql中的根pw时,我得到了错误消息:alter table mysql.db ENGINE=InnoDB;alter table mysql.columns_priv ENGIN
假设我有以下表格:列: topicId列: topicId、teamIdSELECT topic.topicId, topicPermission.teamId FROM topic LEFT JOIN topicPermissions ON topicId LIMIT 10进一步澄清一下:另一种方法是不断从主题权限中提取