how to install MySQL on macOS

MySQL Community Server 8.0.21

# version
$ mysqladmin --version
# 8.0.21

$ mysql --version
# mysql  Ver 8.0.21 for osx10.15 on x86_64 (Homebrew)

$ mysqladmin --version
# mysqladmin  Ver 8.0.21 for osx10.15 on x86_64 (Homebrew)

# start MySQL server once
$ mysql.server start

# stop
$ mysql.server stop

# no password, connect
$ mysql -uroot

background service

# start MySQL server with background service
$ brew services start mysql

# stop
$ brew services stop mysql

MySQL commands

# 查看所有數據庫
mysql> show databases;

# 創建數據庫
mysql> create database test;

# 選擇數據庫
mysql> use test;

# 查看所有數據表
mysql> show tables;

# 創建數據表，🚀 推薦使用大寫的的關鍵字
mysql> create table `demo_table`(
   `table_id`  INT UNSIGNED AUTO_INCREMENT, 
   `table_title` VARCHAR(100) NOT NULL,
   `table_author` VARCHAR(40) NOT NULL,
   `created_date` DATE,
   PRIMARY KEY (`table_id`)
);

# OR, ✅
mysql> create table `demo_table`(`table_id`  int unsigned auto_increment, `table_title` varchar(100) not null, `table_author` varchar(40) not null, `created_date` date, primary key (`table_id`));


# 操作數據表(插入數據)
mysql> insert into demo_table (table_title, table_author, created_date)  VALUES ("MySQL Tutorials", "xgqfrms", now());
mysql> insert into demo_table (table_title, table_author, created_date)  VALUES ("SQL Tutorials", "webgeeker", now());

# 操作數據表(查詢)
mysql> select * from demo_table;
mysql> select table_title, table_author from demo_table;
mysql> select table_id, table_title, table_author, created_date from demo_table;

# \G, 格式化輸出，美化
mysql> select * from demo_table\G;

# 操作數據表(修改數據)
mysql> update demo_table set table_title="DB Tutorials" where table_id=1;

# 操作數據表(刪除數據)
mysql> delete from demo_table where table_id=1;


# 刪除數據表
mysql> drop table demo_table;

# 刪除數據庫
mysql> drop database test;

MySQL 語法

# 創建數據表的 SQL通用語法
# CREATE TABLE table_name (column_name column_type, ..., column_name column_type, );

CREATE TABLE IF NOT EXISTS `demo_table`(
   `table_id` INT UNSIGNED AUTO_INCREMENT,
   `table_title` VARCHAR(100) NOT NULL,
   `table_author` VARCHAR(40) NOT NULL,
   `created_date` DATE,
   PRIMARY KEY ( `table_id` )
)ENGINE=InnoDB DEFAULT CHARSET=utf8;

# INSERT INTO 語句插入數據表中數據的通用語法

INSERT INTO table_name ( field1, field2,...fieldN ) VALUES  ( value1, value2,...valueN );

# 如果數據是字符型，必須使用單引號或者雙引號，如："value"

INSERT INTO demo_table
    (table_title, table_author, created_date)
    VALUES
    ("MySQL Tutorials", "xgqfrms", NOW());

# SELECT 語句查詢數據表中數據的通用語法

SELECT column_name,column_name
FROM table_name
[WHERE Clause]
[LIMIT N][ OFFSET M];

# UPDATE 語句修改數據表中數據的通用語法

UPDATE table_name SET field1=new-value1, field2=new-value2
[WHERE Clause];

#  DELETE 語句刪除數據表中數據的通用語法

DELETE FROM table_name [WHERE Clause];

.dmg install

mysql-8.0.21-macos10.15-x86_64.dmg

https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.21-macos10.15-x86_64.dmg

manually install bug

$ sudo chmod +x ./mysqladmin

brew

# mysql
$ brew install mysql 

# daemon mode(background service)
$ brew services start mysql

$ brew services stop mysql

# avoid daemon mode(once)
$ mysql.server start

$ mysql.server stop

$ mysql -u root -p

https://flaviocopes.com/mysql-how-to-install/

https://stackoverflow.com/questions/4359131/brew-install-mysql-on-macos

MySQL 5

mysql-5.7

https://dev.mysql.com/doc/mysql-osx-excerpt/5.7/en/osx-installation-pkg.html

MySQL 8

mysql-8.0.21

mysql-8.0.21-macos10.15-x86_64.tar.gz

https://dev.mysql.com/downloads/mysql/

refs

.pkg

go1.14.7.darwin-amd64.pkg

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