改表法。mysql
多是你的賬號不容許從遠程登錄,只能在localhost。這個時候只要在localhost的那臺電腦,登入mysql後,更改 "mysql" 數據庫裏的 "user" 表裏的 "host" 項,從"localhost"改爲"%" sql
Sql代碼 數據庫
1. mysql -u root -pvmwaremysql>use mysql; 服務器
2. mysql>update user set host = '%' where user = 'root'; ide
3. mysql>select host, user from user; ip
PIS:再將%改成localhost 重啓服務器生效.可是不能更改密碼rem
2. 受權法。get
PIS1:容許用戶myuser使用mypassword從任何主機鏈接到mysql服務器。 it
Sql代碼 io
1:GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
2: FLUSH PRIVILEGES;
PIS2:容許用戶myuser從ip爲192.168.1.6的主機鏈接到mysql服務器,並使用mypassword做爲密碼
Sql代碼
1. GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
2. FLUSH PRIVILEGES;
PIS3:容許用戶myuser從ip爲192.168.1.6的主機鏈接到mysql服務器的dk數據庫,並使用mypassword做爲密碼
Sql代碼
1. GRANT ALL PRIVILEGES ON dk.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
2. FLUSH PRIVILEGES;
另一種方法.
在安裝mysql的機器上運行:
一、d:\mysql\bin\>mysql -h localhost -u root
//這樣應該能夠進入MySQL服務器
二、mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION
//賦予任何主機訪問數據的權限
三、mysql>FLUSH PRIVILEGES
//修改生效
四、mysql>EXIT
//退出MySQL服務器
這樣就能夠在其它任何的主機上以root身份登陸啦!
其它:
mysql> grant all privileges on *.* to 'energy_pf'@'192.168.2.65' identified by 'energy_pf' with grant option;
Query OK, 0 rows affected (0.00 sec)
mysql> plush privileges;
容許用戶energy_pf從ip爲192.168.2.65的主機鏈接到mysql服務器的任意數據庫(*.*),並使用energy_pf做爲密碼