mysqlの始め方 - rabbit slide showmysqlの始め方 powered by rabbit 2.1.2 mysql の始め方...
TRANSCRIPT
![Page 1: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/1.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
MySQLの始め方
とみたまさひろNSEG #49 MySQL Talk in 長野
2014-03-15
![Page 2: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/2.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
自己紹介
とみた まさひろ
プログラマー (Ruby & C)
http://tmtms.hatenablog.com
http://twitter.com/tmtms
https://github.com/tmtm
日本MySQLユーザ会代表
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MySQLの始め方 Powered by Rabbit 2.1.2
MySQL徹底入門(の一部)
![Page 4: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/4.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
MySQL辞典(の一部)
![Page 5: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/5.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
OSS貢献者賞
![Page 6: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/6.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
MySQLとは
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MySQLの始め方 Powered by Rabbit 2.1.2
「世界でもっとも普及しているオープンソースデータベース」
http://www-jp.mysql.com/ より
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MySQLの始め方 Powered by Rabbit 2.1.2
オープンソース(GPL)なRDBMS
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MySQLの始め方 Powered by Rabbit 2.1.2
商用版もありMySQL Enterprise Edition
by ORACLE
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MySQLの始め方 Powered by Rabbit 2.1.2
バージョン
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MySQLの始め方 Powered by Rabbit 2.1.2
バージョン
X.Y.Z
最新安定版は 5.6.16
X.Y がバージョン
Z はリリース毎に増加
X.Y.0 が正式リリースではない
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MySQLの始め方 Powered by Rabbit 2.1.2
使ってみよう
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MySQLの始め方 Powered by Rabbit 2.1.2
たいていの Linux には含まれてる
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MySQLの始め方 Powered by Rabbit 2.1.2
でもちと古い
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MySQLの始め方 Powered by Rabbit 2.1.2
今から始めるなら5.6.x
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MySQLの始め方 Powered by Rabbit 2.1.2
公式バイナリがおすすめ
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MySQLの始め方 Powered by Rabbit 2.1.2
LinuxWindows
OS XSolarisFreeBSD
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MySQLの始め方 Powered by Rabbit 2.1.2
ダウンロードhttp://dev.mysql.com/downloads/mysql/
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MySQLの始め方 Powered by Rabbit 2.1.2
インストール
# cd /usr/local# tar xf /tmp/mysql-5.6.16-linux-glibc2.5-i686.tar.gz # mv mysql-5.6.16-linux-glibc2.5-i686 mysql# cd mysql# ./scripts/mysql_install_db# useradd -r mysql# chown -R mysql:mysql .
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MySQLの始め方 Powered by Rabbit 2.1.2
起動する前に
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MySQLの始め方 Powered by Rabbit 2.1.2
設定ファイル
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MySQLの始め方 Powered by Rabbit 2.1.2
my.cnfこの順番に読まれてマージ(重複は後勝ち)
/etc/my.cnf
/etc/mysql/my.cnf
/usr/local/mysql/etc/my.cnf (公式バイナリ)
$MYSQL_HOME/my.cnf
--defaults-extra-file で指定したもの
$HOME/.my.cnf
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MySQLの始め方 Powered by Rabbit 2.1.2
思わぬものを読んでることも!
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MySQLの始め方 Powered by Rabbit 2.1.2
指定したものだけ読む
--defaults-file
コマンドライン引数の先頭に指定
途中に書いてもエラー
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MySQLの始め方 Powered by Rabbit 2.1.2
一旦起動すると後で変更するのが面倒なパラメータもあるので注意
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MySQLの始め方 Powered by Rabbit 2.1.2
my.cnf
[mysqld]user = mysqlcharacter-set-server = utf8log-error = /var/log/mysqld.errskip-name-resolveinnodb-file-per-tablesql-mode = TRADITIONAL
[mysql]default-character-set = utf8show-warnings
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MySQLの始め方 Powered by Rabbit 2.1.2
起動
# /usr/local/mysql/bin/mysqld &
# /usr/local/mysql/bin/mysqld_safe &
# /usr/local/mysql/support-files/ mysql.server start
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MySQLの始め方 Powered by Rabbit 2.1.2
停止
% /usr/local/mysql/bin/mysqladmin -u root shutdown
# /usr/local/mysql/support-files/ mysql.server stop
# kill <PID of mysqld>
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MySQLの始め方 Powered by Rabbit 2.1.2
kill -9ダメ!絶対!
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MySQLの始め方 Powered by Rabbit 2.1.2
MySQLはネットワークサーバー
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MySQLの始め方 Powered by Rabbit 2.1.2
サーバーとクライアントサーバー
mysqld
クライアント
mysql
mysqladmin
mysqldump
その他各種アプリ
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MySQLの始め方 Powered by Rabbit 2.1.2
待ち受けポート
TCP/IP 3306
UNIXソケット /tmp/mysql.sock
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MySQLの始め方 Powered by Rabbit 2.1.2
アクセスするためには認証が必要
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MySQLの始め方 Powered by Rabbit 2.1.2
ユーザー管理
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MySQLの始め方 Powered by Rabbit 2.1.2
OSのユーザーとは(ほぼ)無関係
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MySQLの始め方 Powered by Rabbit 2.1.2
username@client
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MySQLの始め方 Powered by Rabbit 2.1.2
全部パスワードなし
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MySQLの始め方 Powered by Rabbit 2.1.2
パスワード設定
% mysql -u root
[自分自身のパスワード]mysql> set password = password('hogehoge');
[他のユーザーのパスワード]mysql> set password for root@'127.0.0.1' = password('fugafuga');
mysql> Ctrl-D
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MySQLの始め方 Powered by Rabbit 2.1.2
パスワード設定後
% mysql -u root% ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
% mysql -u root -pEnter password: mysql>
% mysql -u root -phogehoge (-pの後に空白不要)mysql>
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MySQLの始め方 Powered by Rabbit 2.1.2
匿名ユーザー
ユーザー登録してなくてもアクセス可能
% mysql -u tommymysql> show databases;+--------------------+| Database |+--------------------+| information_schema || test |+--------------------+
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MySQLの始め方 Powered by Rabbit 2.1.2
ユーザー一覧
% mysql -u rootmysql> select user,host from mysql.user;+------+-----------+| user | host |+------+-----------+| root | 127.0.0.1 || root | ::1 || | localhost || root | localhost || | x220 || root | x220 |+------+-----------+
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MySQLの始め方 Powered by Rabbit 2.1.2
mysql_secure_installation
root のパスワード設定
匿名ユーザーの削除
リモートからの root アクセス拒否
test データベース削除
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MySQLの始め方 Powered by Rabbit 2.1.2
mysql_secure_installation
% mysql_secure_installation ...% mysql -u rootmysql> select user,host from mysql.user;+------+-----------+| user | host |+------+-----------+| root | 127.0.0.1 || root | ::1 || root | localhost |+------+-----------+
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MySQLの始め方 Powered by Rabbit 2.1.2
不要ユーザーの削除
% mysql -u rootmysql> drop user root@'127.0.0.1';mysql> drop user root@'::1';mysql> drop user root@ホスト名;mysql> drop user ''@localhost;mysql> drop user ''@ホスト名;
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MySQLの始め方 Powered by Rabbit 2.1.2
ユーザー作成
% mysql -u root -pmysql> create user hoge@localhost identified by 'パスワード';
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MySQLの始め方 Powered by Rabbit 2.1.2
権限付与
mysql> grant 権限 on DB名.TBL名 to user@client;
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MySQLの始め方 Powered by Rabbit 2.1.2
権限
All | Alter | Alter routine | Create | Create routine | Create tablespace | Create temporary tables | Create user | Create view | Delete | Drop | Event | Execute | File | Grant option | Index | Insert | Lock tables | Process | Proxy | References | Reload | Replication client | Replication slave | Select | Show databases | Show view | Shutdown | Super | Trigger | Update | Usage
![Page 49: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/49.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
権限
システム全体
データベース
テーブル
カラム
![Page 50: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/50.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
たいていはこれで事足りるかも
特定のDBに対して全権付与
mysql> grant all on DB名.* to user@client;
![Page 51: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/51.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
権限剥奪
mysql> revoke 権限 on DB名.TBL名 from user@client;
![Page 52: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/52.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
localhost と 127.0.0.1 は違う!
![Page 53: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/53.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
localhost と 127.0.0.1
初心者はだいたいハマる
localhost は UNIXソケット/tmp/mysql.sock
mysql -u root -h localhost
127.0.0.1 は TCP/IP
mysql -u root -h 127.0.0.1
![Page 54: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/54.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
日本語
![Page 55: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/55.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
文字コード
![Page 56: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/56.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
初心者は黙ってutf8(utf8mb4でも可)
![Page 57: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/57.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
my.cnf
[mysqld]user = mysqlcharacter-set-server = utf8log-error = /var/log/mysqld.errskip-name-resolveinnodb-file-per-tablesql-mode = TRADITIONAL
[mysql]default-character-set = utf8show-warnings
![Page 58: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/58.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
charset と collation
![Page 59: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/59.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
charset
コードと文字との対応 (「あ」= E3 81 82)
utf8mb4 : 4バイトUTF-8(MySQL 5.5から)
utf8 : 3バイトUTF-8
eucjpms, cp932, ...
![Page 60: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/60.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
charset
mysql> show charset;+----------+-----------------------------+---------------------+--------+| Charset | Description | Default collation | Maxlen |+----------+-----------------------------+---------------------+--------+| big5 | Big5 Traditional Chinese | big5_chinese_ci | 2 || dec8 | DEC West European | dec8_swedish_ci | 1 || cp850 | DOS West European | cp850_general_ci | 1 || hp8 | HP West European | hp8_english_ci | 1 || koi8r | KOI8-R Relcom Russian | koi8r_general_ci | 1 || latin1 | cp1252 West European | latin1_swedish_ci | 1 || latin2 | ISO 8859-2 Central European | latin2_general_ci | 1 || swe7 | 7bit Swedish | swe7_swedish_ci | 1 || ascii | US ASCII | ascii_general_ci | 1 || ujis | EUC-JP Japanese | ujis_japanese_ci | 3 || sjis | Shift-JIS Japanese | sjis_japanese_ci | 2 || hebrew | ISO 8859-8 Hebrew | hebrew_general_ci | 1 || tis620 | TIS620 Thai | tis620_thai_ci | 1 |〜| latin5 | ISO 8859-9 Turkish | latin5_turkish_ci | 1 || armscii8 | ARMSCII-8 Armenian | armscii8_general_ci | 1 || utf8 | UTF-8 Unicode | utf8_general_ci | 3 || ucs2 | UCS-2 Unicode | ucs2_general_ci | 2 |〜
![Page 61: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/61.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
collation
文字の照合規則
utf8_general_ci, utf8_bin, utf8_unicode_ci, ...
![Page 62: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/62.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
collation
mysql> show collation;+--------------------------+----------+-----+---------+----------+---------+| Collation | Charset | Id | Default | Compiled | Sortlen |+--------------------------+----------+-----+---------+----------+---------+| big5_chinese_ci | big5 | 1 | Yes | Yes | 1 || big5_bin | big5 | 84 | | Yes | 1 || dec8_swedish_ci | dec8 | 3 | Yes | Yes | 1 || dec8_bin | dec8 | 69 | | Yes | 1 || cp850_general_ci | cp850 | 4 | Yes | Yes | 1 || cp850_bin | cp850 | 80 | | Yes | 1 || hp8_english_ci | hp8 | 6 | Yes | Yes | 1 || hp8_bin | hp8 | 72 | | Yes | 1 || koi8r_general_ci | koi8r | 7 | Yes | Yes | 1 || koi8r_bin | koi8r | 74 | | Yes | 1 || latin1_german1_ci | latin1 | 5 | | Yes | 1 || latin1_swedish_ci | latin1 | 8 | Yes | Yes | 1 |〜| utf8_general_ci | utf8 | 33 | Yes | Yes | 1 || utf8_bin | utf8 | 83 | | Yes | 1 || utf8_unicode_ci | utf8 | 192 | | Yes | 8 || utf8_icelandic_ci | utf8 | 193 | | Yes | 8 || utf8_latvian_ci | utf8 | 194 | | Yes | 8 || utf8_romanian_ci | utf8 | 195 | | Yes | 8 |〜
![Page 63: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/63.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
utf8_general_ci
charset utf8 のデフォルトの collation
ASCII/ラテン文字の大文字小文字を区別しない
A = a
![Page 64: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/64.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
utf8_bin
char(n) binary として宣言した時の collation
すべての文字を区別する
A != a
![Page 65: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/65.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
utf8_unicode_ciUnicode Collation Algorithm (UCA) による collation
大文字/小文字/全角/半角/カタカナ/ひらがな/濁音を区別しない
a=A=A(全角)
は=ば=ぱ=ハ=バ=パ=ハ
http://tmtm.org/tmp/mysql_unicode_collation.html
![Page 66: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/66.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
文字コードが関係するもの
クライアント
接続
データベース
テーブル
カラム
![Page 67: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/67.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
同じテーブルのカラム毎に異なる文字コードを指定可能
![Page 68: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/68.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
クライアント-サーバー間で自動変換
![Page 69: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/69.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
ハマりたくなかったらutf8に統一(utf8mb4でも可)
![Page 70: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/70.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
ストレージエンジン
![Page 71: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/71.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
データをディスク(か何か)に保存&取り出すレイヤ
![Page 72: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/72.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
SQLのことなんて(あんまり)知らない
![Page 73: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/73.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
InnoDB / MyISAM / CSV / BLACKHOLE / MEMORY / MRG_MYISAM / ARCHIVE
![Page 74: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/74.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
InnoDB / MyISAM / CSV / BLACKHOLE / MEMORY / MRG_MYISAM / ARCHIVE
![Page 75: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/75.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
異なるストレージエンジン間で JOIN / Sub SELECT も可
![Page 76: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/76.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
MyISAM以前のデフォルトのストレージエンジン
システムテーブル(mysql.*)で使用
トランザクション、外部キー未対応
テーブルロック
全文検索(日本語不可)
位置情報
![Page 77: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/77.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
InnoDB
デフォルトのストレージエンジン
トランザクション
レコードロック
全文検索(日本語不可) (5.6 から)
位置情報 (5.0 から)
![Page 78: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/78.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
初心者は黙ってInnoDB
![Page 79: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/79.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
mroonga
コミュニティ版ストレージエンジン
高速日本語全文検索 groonga
位置情報
mroonga = groonga ストレージエンジン
毎月肉の日(29日)リリース
![Page 80: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/80.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
sql_mode
![Page 81: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/81.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
MySQL特有の変な挙動を変更
![Page 82: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/82.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
MySQL特有の挙動
カラム長を超えてもエラーにならない
不正な文字があってもエラーにならない
指定されたストレージエンジンがないと代替を使う
日付 0000-00-00, 2014-00-01, 2014-04-31
![Page 83: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/83.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
MySQL特有の挙動
GROUP BY に指定されてないカラムを SELECT, HAVING できる
"〜" が文字列リテラル
|| が論理和
等々
![Page 84: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/84.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
sql_mode
グローバル: my.cnf で指定
グローバル: set global sql_mode = XXXX;
セッション: set sql_mode = XXXX;
http://dev.mysql.com/doc/refman/5.6/en/sql-mode.html
![Page 85: MySQLの始め方 - Rabbit Slide ShowMySQLの始め方 Powered by Rabbit 2.1.2 MySQL の始め方 とみたまさひろ NSEG #49 MySQL Talk in 長野 2014-03-15 MySQLの始め方 Powered](https://reader035.vdocuments.net/reader035/viewer/2022063021/5fe593236eeadd318d00249d/html5/thumbnails/85.jpg)
MySQLの始め方 Powered by Rabbit 2.1.2
まとめ
設定ファイルに注意
初期状態のアクセス権は危険
文字コードは utf8 or utf8mb4
ストレージエンジンは InnoDB
MySQL特有の挙動に気をつける