ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
2017-06-10 16:20
471 查看
使用mysql数据库时,遇到如下错误:
ERROR 1044 (42000): Access denied for user ”@’localhost’ to database ‘mysql’
这是由于mysql数据库的user表里,存在用户名为空的账户即匿名账户,导致登录的时候是虽然用的是root,但实际是匿名登录的,通过错误提示里的”@’localhost’可以看出来。
具体解决步骤如下:
1.关闭mysql
2.屏蔽权限
3.新开起一个终端输入
4.重启mysql
对于mysql 5.7,使用时可能遇到:
mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
要求重置密码,但重置root密码时:
“the unknown field Password error above use”
则使用:
或者
问题2:
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
提示密码复杂度不够,密码要包括数字,大小写,特殊符号等
http://myway84.iteye.com/blog/1001915
https://superuser.com/questions/603026/mysql-how-to-fix-access-denied-for-user-rootlocalhost
ERROR 1044 (42000): Access denied for user ”@’localhost’ to database ‘mysql’
这是由于mysql数据库的user表里,存在用户名为空的账户即匿名账户,导致登录的时候是虽然用的是root,但实际是匿名登录的,通过错误提示里的”@’localhost’可以看出来。
具体解决步骤如下:
1.关闭mysql
# service mysqld stop
2.屏蔽权限
# mysqld_safe --skip-grant-table or # /usr/bin/mysqld_safe --skip-grant-table Starting demo from .....
3.新开起一个终端输入
# mysql -u root mysql mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root';//重置root密码 mysql> delete from user where USER='';//删除空用户 mysql> FLUSH PRIVILEGES;//记得要这句话,否则如果关闭先前的终端,又会出现原来的错误 mysql> exit
4.重启mysql
# service mysqld restart
其他问题
问题1:对于mysql 5.7,使用时可能遇到:
mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
要求重置密码,但重置root密码时:
“the unknown field Password error above use”
则使用:
mysql>set authentication_string=password('my_password') where user='root';
或者
mysql> set password=password('new_password');
问题2:
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
提示密码复杂度不够,密码要包括数字,大小写,特殊符号等
mysql> set password=password('!XXXXX); Query OK, 0 rows affected, 1 warning (0.00 sec)
参考:
http://www.cnblogs.com/Anker/p/3551610.htmlhttp://myway84.iteye.com/blog/1001915
https://superuser.com/questions/603026/mysql-how-to-fix-access-denied-for-user-rootlocalhost
相关文章推荐
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- mysql忘记root密码或报错:ERROR 1044 (42000): Access denied for user ”@’localhost’ to database ‘xx‘
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- 提示:ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- .普通用户运行mysql,输入命令,提示:ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql' .
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql' .
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- mysql 用命令操作mysql是报错ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'wang'
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql
- 遇到错误ERROR 1044 (42000): Access denied for user ''@'localhost'to database 'mysql',的解决办法
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
- error 1044 (42000):access denied for user ''@'localhost' to database 'mysql'错误解决方案
- mysql root 进入出现ERROR 1044(42000):Access denied for user ''@'localhost' to database 'mysql'