blocks|key|2045946|text|我想出了解决办法。有系统命令，我们可以执行shell命令，如ls，cd，mv，mkdir等。在这里我们可以以不同的用户登录。首先我以普通用户登录。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2045947|[madegow@fedora20+~]$+mysql+-u+root+-p
Enter+password:+
...
MariaDB+[(none)]>+select+user()
->+;
%2B----------------%2B
%7C+user()+++++++++%7C
%2B----------------%2B
%7C+root@localhost+%7C
%2B----------------%2B
1+row+in+set+(0.00+sec)

MariaDB+[(none)]>+system+mysql+-u+madegow+-p
Enter+password:+
...
MariaDB+[(none)]>+select+user();
%2B-------------------%2B
%7C+user()++++++++++++%7C
%2B-------------------%2B
%7C+madegow@localhost%7C|code-block|syntax|javascript|2045948|现在，用户已更改为madegow用户。但是，当您运行quit/exit时，它不会返回到根目录。我们需要坦然面对这一点。|2045949|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I figured out solution. There is system command, where we can execute shell command like 'ls, cd, mv, mkdir etc.. Here we can login as different user. first I logged in as regular user.

<pre><code>[madegow@fedora20 ~]$ mysql -u root -p
Enter password: 
...
MariaDB [(none)]&gt; select user()
-&gt; ;
+----------------+
| user() |
+----------------+
| root@localhost |
+----------------+
1 row in set (0.00 sec)

MariaDB [(none)]&gt; system mysql -u madegow -p
Enter password: 
...
MariaDB [(none)]&gt; select user();
+-------------------+
| user() |
+-------------------+
| madegow@localhost|
</code></pre>

Now user got changed to madegow user.
but when you run quit/exit it will not go back to root. we need to bare with that.

blocks|key|1643057|text|我一直在寻找Oracle数据库的CONNECT命令的等价物，结果发现它与MySQL+Shell+(从5.7.12版开始)上提供的命令\CONNECT一样，但那是另一回事了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1643058|所以，就像我们的朋友Shivakumara几年前说的那样...答案是：|1643059|MySQL>+SYSTEM+mysql+-u+user+-p|code-block|syntax|javascript|1643060|这只不过是从MySQL提示符调用操作系统外壳命令。|1643061|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

I was looking for an equivalence of the CONNECT command of Oracle Database and just found it with the command \CONNECT available on MySQL Shell (since version 5.7.12), but that's another story.

So, as said years ago by our friend Shivakumara... the answer is:

<pre><code>MySQL&gt; SYSTEM mysql -u user -p
</code></pre>

Which is nothing but calling an OS shell command from MySQL prompt.

blocks|key|1639872|text|MySQL命令行界面会话绑定到启动该会话的用户。因此，您必须在创建会话后使用所需的用户打开新会话&设置所需的授权。您可以打开新会话(即保留当前会话)或结束当前会话，然后开始新会话：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1639873|mysql+-uUSER+-p+DATABASE|code-block|syntax|javascript|1639874|其中USER是新用户的名称，DATABASE是登录时要切换的数据库(-p会提示您输入密码)。要退出会话，只需使用exit即可。|offset|length|style|CODE|1639875|entityMap^0|0|0|2|4|E|8|Y|2|1K|4|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]|$I|T|J|U|K|L]|$I|V|J|W|K|L]|$I|X|J|Y|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|N|$]]

MySQL CLI session is bound to the user which started it. Thus, you'll have to open new session with using desired user after you've created it &amp; set needed grants. You can open new session (i.e. keep current one) or end current session and then start new:

<pre><code>mysql -uUSER -p DATABASE
</code></pre>

where <code>USER</code> is name of new user and <code>DATABASE</code> is database to switch when log on (<code>-p</code> points that you'll prompted to enter password). To exit session, just use <code>exit</code>.

blocks|key|2045891|text|创建用户语法：http://dev.mysql.com/doc/refman/5.1/en/create-user.html|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2045892|代码：|2045893|CREATE+USER+'jeffrey'@'localhost'+IDENTIFIED+BY+'mypass';|code-block|syntax|javascript|2045894|要在命令行中切换，唯一的方法是：|2045895|mysql+-u+user+-p|2045896|entityMap|0|LINK|mutability|MUTABLE|url|http://dev.mysql.com/doc/refman/5.1/en/create-user.html^0|7|1J|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|6|7|10|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|11|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|12|8|@]|9|@]|C|$]]|$1|M|3|N|5|H|7|13|8|@]|9|@]|C|$I|J]]|$1|O|3|-4|5|6|7|14|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|V]]]]

Creating user syntax : <a href="http://dev.mysql.com/doc/refman/5.1/en/create-user.html" rel="nofollow">http://dev.mysql.com/doc/refman/5.1/en/create-user.html</a>

Code : 

<pre><code>CREATE USER 'jeffrey'@'localhost' IDENTIFIED BY 'mypass';
</code></pre>

To switch the only way in command line is : 

<pre><code>mysql -u user -p
</code></pre>

blocks|key|2046025|text|事实上，我理解这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2046026|2046027|转到windows命令提示符Microsoft+Windows+Version+10.0.10586+2015+Microsoft+Corporation。保留所有权利。|ordered-list-item|offset|length|2046028|2046029|2046030|+C:\Users\avinash>cd/|blockquote|2046031|2046032|C:>cd“程序文件\MySQL\MySQL+Server+5.7\bin”|2046033|C:\Program+Files\MySQL\MySQL+Server+5.7\bin>mysql+-u+xyzzzz+-p输入密码：*错误1045+(28000)：拒绝用户'xyzzzz'@'localhost‘的访问(使用密码:+YES)|2046034|C:\Program+Files\MySQL\MySQL+Server+5.7\bin>mysql+-u+xyzzzz+-p输入密码：|2046035|entityMap|0|LINK|mutability|MUTABLE|url|c^0|0|0|W|I|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|12|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|13|8|@]|9|@$F|14|G|15|1|16]]|A|$]]|$1|H|3|-4|5|6|7|17|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|18|8|@]|9|@]|A|$]]|$1|J|3|K|5|L|7|19|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1B|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|1C|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1D|8|@]|9|@]|A|$]]|$1|T|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|U|$V|$5|W|X|Y|A|$Z|10]]]]

Actually I understand the issue.

<ol>
<li>go to windows command prompt 
Microsoft Windows [Version 10.0.10586]
(c) 2015 Microsoft Corporation. All rights reserved.</li>
</ol>

<blockquote>
 C:\Users\avinash>cd/
 
 C:>cd "Program Files\MySQL\MySQL Server 5.7\bin"
 
 C:\Program Files\MySQL\MySQL Server 5.7\bin>mysql -u xyzzzz -p Enter
 password: ***** ERROR 1045 (28000): Access denied for user
 'xyzzzz'@'localhost' (using password: YES)
 
 C:\Program Files\MySQL\MySQL Server 5.7\bin>mysql -u xyzzzz -p Enter
 password:
</blockquote>

what is the windows command to switch to users on MySQL 
Im having a little problem in using mysql on windows. I know how to create a new user and giving grants to the new user and all. But i don't know how to switch to new user from mysql console!

How to switch users on MySQL

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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在MySQL上切换到用户的windows命令是什么?我在windows上使用MySQL时遇到了一点小问题。我知道如何创建一个新用户，并为新用户和所有用户授予权限。但是我不知道如何从mysql控制台切换到新用户！

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