1. The mysql-5.7.10-winx64 MySQL service cannot be started and the service does not report any errors.
http://blog.itpub.net/29953799/viewspace-1876203
2.mysql 1130错误 Host '127.0.0.1' is not allowed to connect to this MySQL server
http://blog.csdn.net/tongle_deng/article/details/7469573
3.ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: N O)
Solution:
Open my.ini in mysql (if not, copy my-default.ini and modify it to my.ini); add skip-grant-tables under [mysqld]; restart mysql, enter mysql on the dos page, Press enter to
4. ERROR 1054 (42S22): Unknown column 'password' in 'fie when changing password in MySQL 5.7
Solution: In the newly installed MySQL 5.7, the password is incorrect when logging in. The password was not changed during installation. Later, the password was changed by password-free login, and enter update mysql.user set password=password('root') where user ERROR 1054 (42S22): Unknown column 'password' in 'field list' is displayed when ='root', it turns out that there is no password field in the mysql database, and the password field is changed to authentication_string
So replace the change statement with update mysql.user set authentication_string=password('root') where user='root' ;
Reference: http://www.ithao123.cn/content-10746582.html