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====テーブル一覧を表示====----
====セッションの確認と切断====----
====データベースの変更====----
====ヘルプ====----
====テーブル定義を確認====----
====テーブル一覧====----
====ポートを調べる====----
→phpMyAdmin
==インストール==
===[[Windows]]===
====5.6====
*[http://typea.info/blg/glob/2014/04/mysql56-windows-81.html Windows8.1にMySQL5.6をインストール]
====8.0====
*[https://www.typea.info/blog/index.php/2022/02/03/mysql80_install_windows10/ Windows10 にMySQL8.0をインストール
===[[Ubuntu]](apt-getでインストール)===
$ sudo apt-get install mysql-server
# [[chkconfig]] | grep "mysql"
mysql 0:off 1:off 2:on 3:on 4:on 5:on 6:off
===[[Mac]](brewからクライアントのみインストール)===
<pre>
$ brew install mysql-client
</pre>
*インストールログの末尾を参照してPATHを通す
===権限の初期設定===
*http://dev.mysql.com/doc/refman/5.1-olh/ja/unix-post-installation.html
*http://dev.mysql.com/doc/refman/4.1/ja/resetting-permissions.html
=====[[Ubuntu]] 初期パスワードの場所=====
----
*確認
<pre>
====初期の権限変更ツール mysql_secure_installation====
----
*初期パスワード /var/log/mysqld.log | grep "temporary password"
# mysql_secure_installation
Cleaning up...
=====Failed! Error: SET PASSWORD has no significance for user... エラー=====
----
*上記「Ubuntu 初期パスワードの場所」のユーザーでログイン
<pre>
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
... Failed! Error: SET PASSWORD has no significance for user 'root'@'localhost' as the authentication method used doesn't store authentication data in the MySQL server. Please consider using ALTER USER instead if you want to change authentication parameters.
</pre>
*ループから抜け出せない、以下のプロンプトでCtrl+C
<pre>
Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) :
</pre>
*https://dev.mysql.com/doc/refman/8.0/ja/resetting-permissions.html
<pre>
ubuntu@ip-172-26-11-57:~$ mysql -u debian-sys-maint -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 9
Server version: 8.0.30-0ubuntu0.20.04.2 (Ubuntu)
Copyright (c) 2000, 2022, Oracle and/or its affiliates.
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' = 'NewPassword';
ERROR 4102 (HY000): SET PASSWORD has no significance for user 'root'@'localhost' as the authentication method used doesn't store authentication data in the MySQL server. Please consider using ALTER USER instead if you want to change authentication parameters.
</pre>
*以下で成功！
<pre>
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password by 'NewPassword';
Query OK, 0 rows affected (0.01 sec)
</pre>
<pre>
mysql> select version();
+-------------------------+
| version() |
+-------------------------+
| 8.0.30-0ubuntu0.20.04.2 |
+-------------------------+
1 row in set (0.00 sec)
</pre>
===簡易設定===
====バージョンの確認====
*[[phpMyAdmin]]
===ポートフォワーディング===*ssh -i 踏み台サーバー鍵ファイル -L ローカルポート:本当に接続したいサーバー:本当に接続したいサーバーのポート 踏み台サーバーユーザー@踏み台サーバー<pre>$ ssh -i ~/.ssh/typea-dev-key.pem -L 13308:typea-dev-mysql-multiaz.c5ihdpszudfw.us-east-1.rds.amazonaws.com:3306 ec2-user@34.226.213.144</pre>RDSにEC2を踏み台にして、SQLWorkbentchから接続 [[TipsFile:port_forwarding.png|600px]]=====管理=======データファイルの場所====----
/etc/my.cnf
datadir=/var/lib/mysql
# mysql -u root -p
mysql> use mt
+-------------------+
44 rows in set (0.00 sec)
show processlist;
kill [Id]
==[[SQL]]==
===カンマ区切り文字列をSplitする===
SUBSTRING_INDEX(comma_string,',',1),
SUBSTRING_INDEX(SUBSTRING_INDEX(comma_string,',',1),',',1),
SUBSTRING_INDEX(SUBSTRING_INDEX(SUBSTRING_INDEX(comma_string,',',1),',',1),',',1),
SUBSTRING_INDEX(SUBSTRING_INDEX(SUBSTRING_INDEX(SUBSTRING_INDEX(comma_string,',',1),',',1),',',1),',',1)
===[[SQL]]制約を無視してテーブルをtruncateする=======制約を無視してテーブルをtruncateする====----
*一旦、FO[[R]]EIGN_KEY_CHECKSを0にする
mysql> SET FO[[R]]EIGN_KEY_CHECKS=0;
mysql> truncate table hoge;
mysql> SET FO[[R]]EIGN_KEY_CHECKS=1;
===mysqlコマンドパーティショニング===----*[https://dev.mysql.com/doc/refman/5.6/ja/partitioning-types.html パーティションタイプ]*https://dev.mysql.com/doc/refman/5.6/ja/partitioning-range.html<pre>CREATE TABLE employees ( id INT NOT NULL, fname VARCHAR(30), lname VARCHAR(30), hired DATE NOT NULL DEFAULT '1970-01-01', separated DATE NOT NULL DEFAULT '9999-12-31', job_code INT NOT NULL, store_id INT NOT NULL)PARTITION BY RANGE (store_id) ( PARTITION p0 VALUES LESS THAN (6), PARTITION p1 VALUES LESS THAN (11), PARTITION p2 VALUES LESS THAN (16), PARTITION p3 VALUES LESS THAN (21));</pre>====リストパーティショニング====----*https://dev.mysql.com/doc/refman/5.6/ja/partitioning-list.html<pre>CREATE TABLE employees ( id INT NOT NULL, fname VARCHAR(30), lname VARCHAR(30), hired DATE NOT NULL DEFAULT '1970-01-01', separated DATE NOT NULL DEFAULT '9999-12-31', job_code INT, store_id INT)PARTITION BY LIST(store_id) ( PARTITION pNorth VALUES IN (3,5,6,9,17), PARTITION pEast VALUES IN (1,2,10,11,19,20), PARTITION pWest VALUES IN (4,12,13,14,18), PARTITION pCentral VALUES IN (7,8,15,16));</pre>*https://dev.mysql.com/doc/refman/5.6/ja/partitioning-columns-list.html<pre>CREATE TABLE customers_1 ( first_name VARCHAR(25), last_name VARCHAR(25), street_1 VARCHAR(30), street_2 VARCHAR(30), city VARCHAR(15), renewal DATE)PARTITION BY LIST COLUMNS(city) ( PARTITION pRegion_1 VALUES IN('Oskarshamn', 'Högsby', 'Mönsterås'), PARTITION pRegion_2 VALUES IN('Vimmerby', 'Hultsfred', 'Västervik'), PARTITION pRegion_3 VALUES IN('Nässjö', 'Eksjö', 'Vetlanda'), PARTITION pRegion_4 VALUES IN('Uppvidinge', 'Alvesta', 'Växjo'));</pre> <pre>mysql> alter table jra_data -> partition by list COLUMNS(data_type) ( -> partition p0 values in ('0'), -> partition p1 values in ('1'), -> partition p2 values in ('2'), -> partition p5 values in ('5'), -> partition p7 values in ('7'), -> partition p9 values in ('9'), -> partition pA values in ('A'), -> partition pB values in ('B') -> );</pre>*確認<pre>mysql> SELECT TABLE_SCHEMA, TABLE_NAME, PARTITION_NAME, PARTITION_ORDINAL_POSITION, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME='jra_data';+--------------+------------+----------------+----------------------------+------------+| TABLE_SCHEMA | TABLE_NAME | PARTITION_NAME | PARTITION_ORDINAL_POSITION | TABLE_ROWS |+--------------+------------+----------------+----------------------------+------------+| jra | jra_data | p0 | 1 | 8 || jra | jra_data | p1 | 2 | 533260 || jra | jra_data | p2 | 3 | 69894 || jra | jra_data | p5 | 4 | 459127 || jra | jra_data | p7 | 5 | 1052898 || jra | jra_data | p9 | 6 | 5694 || jra | jra_data | pA | 7 | 707408 || jra | jra_data | pB | 8 | 10085 |+--------------+------------+----------------+----------------------------+------------+8 rows in set (0.06 sec) </pre> ==mysqlコマンド=====ソースファイルの[[SQL]]を実行====----
\.<ファイル名>
use
help
show create table テーブル名
show tables
mysql> show variables like 'port';
+---------------+-------+
© 2006 矢木浩人
