cmd 操作数据库
回复内容：
<code> mysql -uroot -p</code>
连接mysql错误，少了-u参数
mysql -u root -p
mysql -u root -p 点击 回车即可 你没有-u参数 应该是用匿名用户登录进来的,匿名用户的权限是最低的,连看数据库的权限都没有
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