mysql 入力のバックアップ(No.2)

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- 1 (2020-07-16 (木) 09:46:24)
- 2 (2020-07-16 (木) 11:20:17)
- 3 (2020-07-16 (木) 14:28:47)

[root@pc0700-vm wp]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 39
Server version: 8.0.17 Source distribution

Copyright (c) 2000, 2019, 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>

mysql> select Host, User from mysql.user;
+-----------+------------------+
| Host      | User             |
+-----------+------------------+
| localhost | admin            |
| localhost | mysql.infoschema |
| localhost | mysql.session    |
| localhost | mysql.sys        |
| localhost | phpmyadmin       |
| localhost | redmine          |
| localhost | root             |
| localhost | wordpress        |
+-----------+------------------+
8 rows in set (0.00 sec)

mysql>

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| phpmyadmin         |
| redmine            |
| sys                |
| wordpress          |
+--------------------+
7 rows in set (0.00 sec)

mysql>

mysql> create database test;
Query OK, 1 row affected (0.00 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| phpmyadmin         |
| redmine            |
| sys                |
| test               |
| wordpress          |
+--------------------+
8 rows in set (0.00 sec)

mysql> use test;
Database changed
mysql> show tables;
Empty set (0.01 sec)

mysql>

mysql> create table test (
    -> id int(10) unsigned NOT NULL AUTO_INCREMENT,
    -> name varchar(64) NOT NULL,
    -> address varchar(128) NOT NULL,
    -> tel varchar(64) NOT NULL,
    -> PRIMARY KEY (id)
    -> );
Query OK, 0 rows affected, 1 warning (0.03 sec)

mysql> show tables;
+----------------+
| Tables_in_test |
+----------------+
| test           |
+----------------+
1 row in set (0.00 sec)

mysql> show create table test;
..
| test  | CREATE TABLE `test` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `name` varchar(64) NOT NULL,
  `address` varchar(128) NOT NULL,
  `tel` varchar(64) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci |
..
1 row in set (0.00 sec)

mysql> insert into test ( id, name, address, tel) values(1, 'sekigawa', 'kanagawa', '0123');
Query OK, 1 row affected (0.01 sec)

mysql> select * from test;
+----+----------+----------+------+
| id | name     | address  | tel  |
+----+----------+----------+------+
|  1 | sekigawa | kanagawa | 0123 |
+----+----------+----------+------+
1 row in set (0.00 sec)

mysql>

mysql> use wordpress;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql>

mysql> select database();
+------------+
| database() |
+------------+
| wordpress  |
+------------+
1 row in set (0.00 sec)

mysql>

mysql> show tables;
+-----------------------+
| Tables_in_wordpress   |
+-----------------------+
| wp_commentmeta        |
| wp_comments           |
| wp_links              |
| wp_options            |
| wp_postmeta           |
| wp_posts              |
| wp_term_relationships |
| wp_term_taxonomy      |
| wp_termmeta           |
| wp_terms              |
| wp_usermeta           |
| wp_users              |
+-----------------------+
12 rows in set (0.00 sec)

mysql>

mysql> show create table wp_options\G
*************************** 1. row ***************************
       Table: wp_options
Create Table: CREATE TABLE `wp_options` (
  `option_id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `option_name` varchar(191) COLLATE utf8mb4_unicode_520_ci NOT NULL DEFAULT '',
  `option_value` longtext COLLATE utf8mb4_unicode_520_ci NOT NULL,
  `autoload` varchar(20) COLLATE utf8mb4_unicode_520_ci NOT NULL DEFAULT 'yes',
  PRIMARY KEY (`option_id`),
  UNIQUE KEY `option_name` (`option_name`),
  KEY `autoload` (`autoload`)
) ENGINE=InnoDB AUTO_INCREMENT=145 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_520_ci
1 row in set (0.00 sec)

mysql>

mysql> select * from wp_options limit 5;
+-----------+--------------------+-----------------------------+----------+
| option_id | option_name        | option_value                | autoload |
+-----------+--------------------+-----------------------------+----------+
|         1 | siteurl            | http://192.168.0.38/wp      | yes      |
|         2 | home               | http://192.168.0.38/wp      | yes      |
|         3 | blogname           | mpiano                      | yes      |
|         4 | blogdescription    | Just another WordPress site | yes      |
|         5 | users_can_register | 0                           | yes      |
+-----------+--------------------+-----------------------------+----------+
5 rows in set (0.00 sec)

mysql>

mysql> select option_value from wp_options limit 5;
+-----------------------------+
| option_value                |
+-----------------------------+
| http://192.168.0.38/wp      |
| http://192.168.0.38/wp      |
| mpiano                      |
| Just another WordPress site |
| 0                           |
+-----------------------------+
5 rows in set (0.00 sec)

mysql>

mysql> select option_value from wp_options\G
*************************** 1. row ***************************
option_value: http://192.168.0.38/wp
*************************** 2. row ***************************
option_value: http://192.168.0.38/wp
*************************** 3. row ***************************
option_value: mpiano
*************************** 4. row ***************************
option_value: Just another WordPress site
*************************** 5. row ***************************
option_value: 0

mysql>

mysql> SELECT 10 * 8 + 4 FROM DUAL;
+------------+
| 10 * 8 + 4 |
+------------+
|         84 |
+------------+
1 row in set (0.00 sec)

mysql>

mysql> update wp_options set option_value='http://192.168.0.41/wp' where option_id='1';
Query OK, 1 row affected (0.02 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> select option_value from wp_options limit 5;
+-----------------------------+
| option_value                |
+-----------------------------+
| http://192.168.0.41/wp      |
| http://192.168.0.38/wp      |
| mpiano                      |
| Just another WordPress site |
| 0                           |
+-----------------------------+
5 rows in set (0.00 sec)

mysql>

mysql 入力 のバックアップ(No.2)

mysql 入力のバックアップ(No.2)