1. Download server and workbench
2. Install the server
2018-04-22T09:29:10.385999Z 1 [Note] A temporary password is generated for root@localhost: 8Jj)>opkXLuN
If you lose this password, please consult the section How to Reset the Root Password in the MySQL reference manual.
提示的root密码一定要记下来
- At the bottom of the settings, you can see the mysql option, click to enter and start
- Copy the following two commands to the terminal to run, and give the two directory addresses a name.
The purpose is that the next execution can directly execute mysql or mysqladmin, and there is no need to switch directories back and forth.
zhaojunyandeMBP:~ zhaojunyan$ alias mysql=/usr/local/mysql/bin/mysql
zhaojunyandeMBP:~ zhaojunyan$ alias mysqladmin=/usr/local/mysql/bin/mysqladmin
zhaojunyandeMBP:~ zhaojunyan$ mysql- The ultimate solution The
above is a temporary solution, and it will be invalid after restarting the terminal.
zhaojunyandeMBP:~ zhaojunyan$ sudo vim ~/.bash_profile
zhaojunyandeMBP:~ zhaojunyan$ source ~/.bash_profile
zhaojunyandeMBP:~ zhaojunyan$ cat ~/.bash_profile
export GOPATH=/Users/zhaojunyan/go
export GOBIN=$GOPATH/bin
export MYSQLBIN=/usr/local/mysql/bin
export PATH=$PATH:$GOBIN:$MYSQLBIN
zhaojunyandeMBP:~ zhaojunyan$ mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 27
Server version: 5.7.16 MySQL Community Server (GPL)- Change the password, the initial password has been written down before
zhaojunyandeMBP:~ zhaojunyan$ **mysql -uroot -p**
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 16
Server version: 5.7.16
Copyright (c) 2000, 2016, 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 for 'root'@'localhost' = password('root');
Query OK, 0 rows affected, 1 warning (0.01 sec)- Add User
Command : CREATE USER 'username'@'host' IDENTIFIED BY 'password';
Description: username - the username you will create, host - specify the host on which the user can log in, if it is a local user, you can use localhost. If you want the user to log in from any remote host, you can use the wildcard %. password - the The user's login password, the password can be empty, if it is empty, the user does not need a password to log in to the server.
例子: CREATE USER ‘test’@’localhost’ IDENTIFIED BY ‘123456’;
CREATE USER ‘test’@’%’ IDENTIFIED BY ‘123456’;
CREATE USER ‘test’@’%’ IDENTIFIED BY ”;
CREATE USER ‘test’@’%’;
mysql> create user 'test'@'localhost' identified by '123456';
Query OK, 0 rows affected (0.01 sec)- View all users, in fact, there is also a table
mysql> select User,Host FROM mysql.user;
+-----------+-----------+
| User | Host |
+-----------+-----------+
| mysql.sys | localhost |
| root | localhost |
| test | localhost |
+-----------+-----------+
3 rows in set (0.00 sec)
mysql> quit- Setting and changing user passwords
Command:
SET PASSWORD FOR 'username'@'host' = PASSWORD('newpassword')
If it is the current login user, use SET PASSWORD = PASSWORD("newpassword");
Example: SET PASSWORD FOR 'test'@'%' = PASSWORD("123456");
- The user name is added, and there may be no permission to operate the table. You need to add the permission
Command : GRANT privileges ON databasename.tablename TO 'username'@'host'
Description: privileges - the user's operation authority, such as SELECT, INSERT, UPDATE, etc.
If you want to grant the authority, use ALL.
databasename - database name, tablename-table name
If you want to grant the user the corresponding operation authority on all databases and tables, then It can be represented by *, such as *.*
例子: GRANT SELECT, INSERT ON test.user TO ‘test’@’%’;
GRANT ALL ON *.* TO ‘test’@’%’;
Note: The user authorized by the above command cannot authorize other users.
If you want the user to be authorized, use the following command:
GRANT privileges ON databasename.tablename TO 'username'@'host' WITH GRANT OPTION;
- Revoke authorization
command :
REVOKE privilege ON databasename.tablename FROM 'username'@'host';
Description: privilege, databasename, tablename - same as authorization section.
例子: REVOKE SELECT ON *.* FROM ‘test’@’%’;
3. Install workbench
After installation, you can create databases and tables through workbench, or you can create them through commands
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.00 sec)
mysql> create database testdb;
Query OK, 1 row affected (0.00 sec)
mysql> create table person(name varchar(20), age tinyint(4));
ERROR 1046 (3D000): No database selected
mysql> use testdb;
Database changed
mysql> create table person(name varchar(20), age tinyint(4));
Query OK, 0 rows affected (0.02 sec)
mysql>