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| Install MySQL Ubuntu 20.04 LTS Server |
MySQL adalah sistem manajemen basis data relasional sumber terbuka. Namanya adalah kombinasi dari "My", nama putri co-founder Michael Widenius, My, dan "SQL", singkatan dari Structured Query Language. Sebuah database relasional mengatur data ke dalam satu atau lebih tabel data di mana data mungkin terkait satu sama lain; hubungan ini membantu menyusun data.
MySQL 8.0 : Install
Install MySQL to configure Database Server.
- Install and start MySQL.
root@dans:~# apt -y install mysql-server-8.0
- Initial Settings for MySQL.
root@dans:~# mysql_secure_installation Securing the MySQL server deployment. Connecting to MySQL using a blank password. VALIDATE PASSWORD COMPONENT can be used to test passwords and improve security. It checks the strength of password and allows the users to set only those passwords which are secure enough. Would you like to setup VALIDATE PASSWORD component? # enable password validation policy or not Press y|Y for Yes, any other key for No: y There are three levels of password validation policy: LOW Length >= 8 MEDIUM Length >= 8, numeric, mixed case, and special characters STRONG Length >= 8, numeric, mixed case, special characters and dictionary file # select password validation policy if enabled Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 0 Please set the password for root here. # set MySQL root password New password: Re-enter new password: # confirmation of the password you input Estimated strength of the password: 100 Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them. This is intended only for testing, and to make the installation go a bit smoother. You should remove them before moving into a production environment. # remove anonymous users or not Remove anonymous users? (Press y|Y for Yes, any other key for No) : y Success. Normally, root should only be allowed to connect from 'localhost'. This ensures that someone cannot guess at the root password from the network. # disallow root login remotely or not Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y Success. By default, MySQL comes with a database named 'test' that anyone can access. This is also intended only for testing, and should be removed before moving into a production environment. # remove test database or not Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y - Dropping test database... Success. - Removing privileges on test database... Success. Reloading the privilege tables will ensure that all changes made so far will take effect immediately. # reload privilege tables or not Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y Success. All done! # connect to MySQL with root # default autentication method of root user is UNIX socket auth root@dans:~# mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 14 Server version: 8.0.21-0ubuntu0.20.04.4 (Ubuntu) Copyright (c) 2000, 2020, 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. # autentication method of root user is [auth_socket] mysql> select user,host,plugin from mysql.user; +------------------+-----------+-----------------------+ | user | host | plugin | +------------------+-----------+-----------------------+ | debian-sys-maint | localhost | caching_sha2_password | | mysql.infoschema | localhost | caching_sha2_password | | mysql.session | localhost | caching_sha2_password | | mysql.sys | localhost | caching_sha2_password | | root | localhost | auth_socket | +------------------+-----------+-----------------------+ 5 rows in set (0.01 sec) # default charset mysql> show variables like "chara%"; +--------------------------+----------------------------+ | Variable_name | Value | +--------------------------+----------------------------+ | character_set_client | utf8mb4 | | character_set_connection | utf8mb4 | | character_set_database | utf8mb4 | | character_set_filesystem | binary | | character_set_results | utf8mb4 | | character_set_server | utf8mb4 | | character_set_system | utf8 | | character_sets_dir | /usr/share/mysql/charsets/ | +--------------------------+----------------------------+ 8 rows in set (0.00 sec) # show database list mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 4 rows in set (0.01 sec) # create test database mysql> create database test_database; Query OK, 1 row affected (0.11 sec) # create test table on test database mysql> create table test_database.test_table (id int, name varchar(50), address varchar(50), primary key (id)); Query OK, 0 rows affected (0.42 sec) # insert data to test table mysql> insert into test_database.test_table(id, name, address) values("001", "CentOS", "Hiroshima"); Query OK, 1 row affected (0.04 sec) # show test table mysql> select * from test_database.test_table; +----+--------+-----------+ | id | name | address | +----+--------+-----------+ | 1 | CentOS | Hiroshima | +----+--------+-----------+ 1 row in set (0.00 sec) # delete test database mysql> drop database test_database; Query OK, 1 row affected (0.27 sec) mysql> exit Bye
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