MySQLのインストール
- 下記コマンドを実行する。
$ sudo apt-get install mysql-server
MySQLクライアントの実行
$ mysql -uroot -p
Enter password:←前項で設定したパスワードを入力
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 43
Server version: 5.5.52-0+deb8u1 (Raspbian)
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>
文字コード確認
- 下記コマンドを実行する。
mysql> status
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mysql Ver 14.14 Distrib 5.5.52, for debian-linux-gnu (armv7l) using readline 6.3
Connection id: 43
Current database:
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 5.5.52-0+deb8u1 (Raspbian)
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: latin1
Db characterset: latin1
Client characterset: utf8
Conn. characterset: utf8
UNIX socket: /var/run/mysqld/mysqld.sock
Uptime: 28 min 56 sec
Threads: 1 Questions: 584 Slow queries: 0 Opens: 189 Flush tables: 1 Open tables: 41 Queries per second avg: 0.336
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- 上記の状態ではDBに日本語を保存することができないためlatin1となっている個所をutf8にする。
- 下記のようにmy.cnfを編集する。
$ sudo vi /etc/mysql/my.cnf
[client]
default-character-set=utf8
[mysqld]
character-set-server = utf8
- mysqlを再起動する
$ sudo /etc/init.d/mysql restart
- utf8になっていることを確認する。
mysql> status
--------------
mysql Ver 14.14 Distrib 5.5.52, for debian-linux-gnu (armv7l) using readline 6.3
Connection id: 37
Current database:
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 5.5.52-0+deb8u1 (Raspbian)
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: utf8
Db characterset: utf8
Client characterset: utf8
Conn. characterset: utf8
UNIX socket: /var/run/mysqld/mysqld.sock
Uptime: 19 sec
Threads: 1 Questions: 111 Slow queries: 0 Opens: 48 Flush tables: 1 Open tables: 41 Queries per second avg: 5.842
--------------