Teach you clear steps to install MYSQL on MAC-Mysql Tutorial-php.cn

This article will briefly analyze how to install MYSQL on MAC and introduce some knowledge of MYSQL. I hope it will be helpful to everyone!

Download address: https://downloads.mysql.com/archives/community/

Baidu network disk download: Link: https://pan .baidu.com/s/1nceFzJKK7_dJh2gUAtVgWw Password: qm5z

Teach you clear steps to install MYSQL on MAC

##Installation

Double-click the downloaded dmg file and it will The pkg pop-up box pops up, double-click the pkg icon to enter the installation interface, continue all the way on the installation interface, and the installation is successful.

Environment variables

The first step is to switch to the root directory in the terminal and edit the ./.bash_profile file

➜  ~ cd ~
➜  ~ vim ./.bash_profile

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The second step is to enter vim Edit the environment, press i to enter insert mode, enter

export PATH=$PATH:/usr/local/mysql/bin
export PATH=$PATH:/usr/local/mysql/support-files

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Step 3, press esc to exit insert mode, enter: wq to save the configuration file

:wq

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Step 4, enter in the terminal interface The following command makes the modification of the configuration file take effect and checks whether the environment variables are set successfully

➜  ~ echo $PATH
/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
➜  ~ source ~/.bash_profile 
➜  ~ echo $PATH            
/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/mysql/bin:/usr/local/mysql/support-files
➜  ~

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Start, stop and check the status of the MYSQL service

Check the service status of MYSQL

➜  ~ sudo mysql.server status
Password:
 ERROR! MySQL is not running

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Start MYSQL service

➜  ~ sudo mysql.server start 
Starting MySQL
.Logging to '/usr/local/mysql/data/mj.local.err'.
 SUCCESS!

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Stop MYSQL service

➜  ~ sudo mysql.server stop  
Shutting down MySQL
. SUCCESS!

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Restart MYSQL service

➜  ~ sudo mysql.server restart
 ERROR! MySQL server PID file could not be found!
Starting MySQL
. SUCCESS!

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Start

The first step is to enter

➜  ~ sudo mysql.server start 
Starting MySQL
.Logging to '/usr/local/mysql/data/mj.local.err'.
 SUCCESS!

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in the terminal interface. The second step is to start the MYSQL service. After the startup is successful, continue to enter

➜  ~ mysql -u root -p

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. The third step is to press Enter directly to enter the database. You will see the following welcome Interface

Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.41 MySQL Community Server (GPL)

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

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Note: By default, there is no initial password after successful installation, so you do not need to enter the password, just press Enter.

Initialization settings

Set the initial password, execute the following statement after entering the mysql database, and set the password of the current root user to root

➜  ~ mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.41 MySQL Community Server (GPL)

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> set password = password('root');
Query OK, 0 rows affected (0.01 sec)

mysql>

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Exit MYSQL The interface

mysql> exit
Bye
➜  ~

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Configuration

Enter the

/usr/local/mysql/support-files directory, there is a file my-default in it. cnf

➜  ~ cd /usr/local/mysql/support-files
➜  support-files ll
total 64
-rwxr-xr-x  1 root  wheel   1.1K  6 15  2018 binary-configure
-rw-r--r--  1 root  wheel   773B  6 15  2018 magic
-rw-r--r--  1 root  wheel   1.1K  6 15  2018 my-default.cnf
-rwxr-xr-x  1 root  wheel   894B  6 15  2018 mysql-log-rotate
-rwxr-xr-x  1 root  wheel    10K  6 15  2018 mysql.server
-rwxr-xr-x  1 root  wheel   1.0K  6 15  2018 mysqld_multi.server
➜  support-files

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Copy the my-default.cnf file in the directory to the desktop, rename it my.cnf,

➜  support-files ll
total 64
-rwxr-xr-x  1 root  wheel   1.1K  6 15  2018 binary-configure
-rw-r--r--  1 root  wheel   773B  6 15  2018 magic
-rw-r--r--  1 root  wheel   1.1K  6 15  2018 my-default.cnf
-rwxr-xr-x  1 root  wheel   894B  6 15  2018 mysql-log-rotate
-rwxr-xr-x  1 root  wheel    10K  6 15  2018 mysql.server
-rwxr-xr-x  1 root  wheel   1.0K  6 15  2018 mysqld_multi.server
➜  support-files cp my-default.cnf /Users/a1/Desktop/my.cnf

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Replace the content with the following content

[mysqld]
default-storage-engine=INNODB
character-set-server=utf8
port = 3306

[client]
default-character-set=utf8

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Copy the modified my.cnf file to the

/etc directory and restart MYSQL

➜  /etc cp /Users/a1/Desktop/my.cnf ./
cp: ./my.cnf: Permission denied
➜  /etc sudo cp /Users/a1/Desktop/my.cnf ./
Password:
➜  /etc ll
total 1064
......
-rw-------   1 root  wheel   7.3K  2 29 14:10 master.passwd
-rw-r--r--   1 root  wheel   1.2K  5 17 17:24 my.cnf
-rw-r--r--   1 root  wheel    11B  2 29 14:43 nanorc
-rw-r--r--   1 root  wheel    53B  2 29 14:09 networks
......
➜  /etc

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Note: Copying the file to the etc directory requires system permissions, so you need to add sudo## before the command.

#Detect modification results

➜  ~ mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.6.41 MySQL Community Server (GPL)

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show variables like '%char%';
+--------------------------+-----------------------------------------------------------+
| Variable_name            | Value                                                     |
+--------------------------+-----------------------------------------------------------+
| character_set_client     | utf8                                                      |
| character_set_connection | utf8                                                      |
| character_set_database   | latin1                                                    |
| character_set_filesystem | binary                                                    |
| character_set_results    | utf8                                                      |
| character_set_server     | latin1                                                    |
| character_set_system     | utf8                                                      |
| character_sets_dir       | /usr/local/mysql-5.6.41-macos10.13-x86_64/share/charsets/ |
+--------------------------+-----------------------------------------------------------+
8 rows in set (0.01 sec)

mysql>

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Teach you clear steps to install MYSQL on MAC

Note: You cannot log in to the database without entering the password at this time. You must use the modified password to log in to the database. , and the character set encoding information of the database has been modified.

At this point, you can happily use the database! ! !

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