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Teach you how to log in and log out of mysql on linux

黄舟
Release: 2017-08-11 14:29:10
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For those who are new to mysql, the editor here presents a chapter on connecting and exiting mysql.

1. Because the windows environment involves environment variables, the editor will talk about it in separate chapters.

Under Linux, mysql is installed and the service is started.

You can start connecting to the database.

mysql -hlocalhost -uroot -p

-hdatabase host

-uuser

-ppassword

-Pport (capital P)

For example, in the password part of

mysql -hlocalhost -uroot -p12345 -P3306
Copy after login

-p, you can directly specify the password. If not specified, you will be prompted to enter the password.

Let’s first mysql -hlocalhost -uroot -p to see if

prompts you to enter the password

?

Teach you how to log in and log out of mysql on linux

#2. After logging in, this is the command line interface of mysql.

We quit or exit to exit mysql.

Teach you how to log in and log out of mysql on linux


##3. The root password here It's mysql123456.

mysql -hlocalhost -uroot -pmysql123456
Copy after login

Are you not prompted for a password?

Teach you how to log in and log out of mysql on linux

#4. So what is the use of -P port number?

We all know that network software has a port number. Mysql defaults to 3306. If you modify the default port number, you need to specify the modified port number in -P.

In fact, there is a simpler login method.

mysql -uroot -p
Copy after login

In this way, only the user is specified, not the host, so the default login is localhost.

Teach you how to log in and log out of mysql on linux

5. Of course, there is also a longer way of writing. (Generally used for shell programming, the parameters are more intuitive)

mysql --host=localhost --user=root --password --port=3306
Copy after login

For details, see man mysql

Teach you how to log in and log out of mysql on linux

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