mysql数据库用户权限问题

修改root密码 mysql USE mysql; #切换到 mysql DB Database changed mysql SELECT User, Password, Host FROM user; #查看现有用户,密码及允许连接的主机 ————————— | User | Password | Host | ————————— | root | | l

修改root密码
mysql> USE mysql; #切换到 mysql DB

Database changed

mysql> SELECT User, Password, Host FROM user; #查看现有用户,密码及允许连接的主机

+——+———-+———–+
| User | Password | Host |
+——+———-+———–+
| root | | localhost |
+——+———-+———–+
1 row in set (0.00 sec)

mysql> update user set password=PASSWORD(‘123456′) where user=’root’; #更新root的用户密码

Query OK, 0 rows affected (0.00 sec)

Rows matched: 1 Changed: 0 Warnings: 0

mysql> flush privileges; #刷新

Query OK, 0 rows affected (0.00 sec)
mysql> grant all on *.* to root@localhost; #给root@localhost用户管理所有数据库密码的权限
Query OK, 0 rows affected (0.00 sec)

mysql> flush tables; #刷新
Query OK, 0 rows affected (0.00 sec)

mysql>

mysql> grant all on *.* to root@“%”; #%的ip都能远程访问root用户管理所有数据库密码的权限
Query OK, 0 rows affected (0.00 sec)

mysql> flush tables; #刷新
Query OK, 0 rows affected (0.00 sec)

mysql>

mysql> show grants for ‘root’@’%’;
+——————————————————————————————————————+
| Grants for root@% |
+——————————————————————————————————————+
| GRANT ALL PRIVILEGES ON *.* TO ‘root‘@’%’ IDENTIFIED BY PASSWORD ‘*ACAAE9E2C384B05A750FB998F83C9E13D5F716A5’ |
| GRANT ALL PRI本文来源gao@!dai!ma.com搞$$代^@码5网@VILEGES ON `mstr`.* TO ‘root’@’%’ |
+——————————————————————————————————————+

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