as i was managing the database some of them were junk and i want to delete the folder of that database too how to do it with step by step? 所以这里在这张照片你可以看到文件夹“登录测试”的红色标志怎么删除呢?
我正在尝试创建一个简单的CRM。可悲的是我对MySQL很新,所以我希望你能帮我解决这个问题: 在CRM中我有两个“兄弟”表:国家和地方。 国家: CREATE TABLE country
(
id INT NOT NULL AUTO_INCREMENT,
country VARCHAR (128),
PRIMARY KEY (id)
);
和地点: CREATE