MySQL數據庫怎麽實現遠程連接(jiē)訪(fǎng)問
以下的文章主要介紹的是實現MySQL遠程(chéng)連接的實(shí)際操作流程,本文主要是由其相關(guān)的實際應用代碼來引出MySQL遠程連接的具體操作步驟,以下就是文章的主要內容描述,希望會給你帶來一些幫助在此方麵。
1、進入MySQL,創建一個新用戶(hù)root,密碼(mǎ)為root:
格式:grant 權(quán)限 on 數據庫名.表名 to 用(yòng)戶(hù)@登錄主機 identified by "用戶密碼";
grant select,update,insert,delete on *.* to root@192.168.1.12 identified by "root";
原先數據表結構
MySQL> use MySQL;
Database changed
MySQL> select host,user,password from user;
+-----------+------+-------------------------------------------+
| host | user | password |
+-----------+------+-------------------------------------------+
| localhost | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
+-----------+------+-------------------------------------------+
執(zhí)行上述(shù)語(yǔ)句後結果
MySQL> use MySQL;
Database changed
MySQL> select host,user,password from user;
+--------------+------+-------------------------------------------+
| host | user | password |
+--------------+------+-------------------------------------------+
| localhost | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
| 192.168.1.12 | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
+--------------+------+-------------------------------------------+
2 rows in set (0.00 sec)
可以看到在user表中已有剛才創建的root用戶。host字段表示登錄的主機(jī),其值可以用IP,也可(kě)用主機名,
(1)有時想用(yòng)本地IP登錄,那麽可以將以上的Host值改為(wéi)自己的Ip即可。
2、實現MySQL遠程連接(jiē)(授權法)
將host字段的值改為%就表示在任何客戶端機器上能以root用戶登錄到MySQL服務器,建(jiàn)議在開發時設為%。
update user set host = ’%’ where user = ’root’;
將權限改為ALL PRIVILEGES
MySQL> use MySQL;
Database changed
MySQL> grant all privileges on *.* to root@'%' identified by "root";
Query OK, 0 rows affected (0.00 sec)
MySQL> select host,user,password from user;
+--------------+------+-------------------------------------------+
| host | user | password |
+--------------+------+-------------------------------------------+
| localhost | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
| 192.168.1.12 | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
| % | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |
+--------------+------+-------------------------------------------+
3 rows in set (0.00 sec)
這樣機器就可以以用戶名root密碼root遠程訪問該機器上的MySQL.
3、實現MySQL遠程連接(改表法)
use MySQL;
update user set host = '%' where user = 'root';
這樣在遠端就可以通過root用(yòng)戶訪問MySQL.
關鍵(jiàn)詞:MySQL,數據庫(kù)
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