特になし

【練習問題】 SQL/Question1/MySQL 8.0 Command Line Client.txt

@@ -1,169 +0,0 @@
-Enter password: *********
-Welcome to the MySQL monitor.  Commands end with ; or \g.
-Your MySQL connection id is 13
-Server version: 8.0.32 MySQL Community Server - GPL
-
-Copyright (c) 2000, 2023, 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> SELECT DATABASE();
-+------------+
-| DATABASE() |
-+------------+
-| rezodb     |
-+------------+
-1 row in set (0.00 sec)
-
-mysql> CREATE TABLE emp_table (emp_no INT, emp_name VARCHAR(50), salary INT);
-Query OK, 0 rows affected (0.03 sec)
-
-mysql> INSERT INTO emp_table VALUES (1, '井上', 20000);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO emp_table VALUES (2, '梅田', 100000);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> SELECT *FROM emp_table;
-+--------+----------+--------+
-| emp_no | emp_name | salary |
-+--------+----------+--------+
-|      1 | 井上     |  20000 |
-|      2 | 梅田     | 100000 |
-+--------+----------+--------+
-2 rows in set (0.00 sec)
-
-mysql> CREATE TABLE book_table (book_id INT, book_name VARCHAR(50), author_name VARCHAR(50), price INT, sales_flag INT);
-Query OK, 0 rows affected (0.02 sec)
-
-mysql> INSERT INTO book_table VALUES (10001, 'TwoPeace', '三田英一郎',　420, 1);
-ERROR 1054 (42S22): Unknown column '　420' in 'field list'
-mysql>  INSERT INTO book_table VALUES (10001, 'TwoPeace', '三田英一郎', 420, 1);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO book_table VALUES (10002, '名探偵金田二', '青山ふみや',　460, 1);
-ERROR 1054 (42S22): Unknown column '　460' in 'field list'
-mysql> INSERT INTO book_table VALUES (10002, '名探偵金田二', '青山ふみや', 460, 1);
-Query OK, 1 row affected (0.00 sec)
-
-mysql> INSERT INTO book_table VALUES (10003, '坊ちゃま', '冬目漱石', 460, 1);
-Query OK, 1 row affected (0.00 sec)
-
-mysql> INSERT INTO book_table VALUES (10004, '西方見聞録', '不明', 1000, 1);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO book_table VALUES (10005, '吾輩は犬である', '冬目漱石', 420, 1);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> SELECT * FROM book_table;
-+---------+----------------+-------------+-------+------------+
-| book_id | book_name      | author_name | price | sales_flag |
-+---------+----------------+-------------+-------+------------+
-|   10001 | TwoPeace       | 三田英一郎  |   420 |          1 |
-|   10002 | 名探偵金田二   | 青山ふみや  |   460 |          1 |
-|   10003 | 坊ちゃま       | 冬目漱石    |   460 |          1 |
-|   10004 | 西方見聞録     | 不明        |  1000 |          1 |
-|   10005 | 吾輩は犬である | 冬目漱石    |   420 |          1 |
-+---------+----------------+-------------+-------+------------+
-5 rows in set (0.00 sec)
-
-mysql> SELECT book_name FROM book_table;
-+----------------+
-| book_name      |
-+----------------+
-| TwoPeace       |
-| 名探偵金田二   |
-| 坊ちゃま       |
-| 西方見聞録     |
-| 吾輩は犬である |
-+----------------+
-5 rows in set (0.00 sec)
-
-mysql> SELECT book_name author_name FROM book_table;
-+----------------+
-| author_name    |
-+----------------+
-| TwoPeace       |
-| 名探偵金田二   |
-| 坊ちゃま       |
-| 西方見聞録     |
-| 吾輩は犬である |
-+----------------+
-5 rows in set (0.00 sec)
-
-mysql> SELECT book_name, author_name FROM book_table;
-+----------------+-------------+
-| book_name      | author_name |
-+----------------+-------------+
-| TwoPeace       | 三田英一郎  |
-| 名探偵金田二   | 青山ふみや  |
-| 坊ちゃま       | 冬目漱石    |
-| 西方見聞録     | 不明        |
-| 吾輩は犬である | 冬目漱石    |
-+----------------+-------------+
-5 rows in set (0.00 sec)
-
-mysql> UPDATE book_table SET author_name = 'マール＝コー＝ポロ'　SET sales_flag = 0 where book_id = 10004;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '　SET sales_flag = 0 where book_id = 10004' at line 1
-mysql> UPDATE book_table SET author_name = 'マール＝コー＝ポロ'  where book_id = 10004;
-Query OK, 1 row affected (0.01 sec)
-Rows matched: 1  Changed: 1  Warnings: 0
-
-mysql> UPDATE book_table ]SET sales_flag = 0 where book_id = 10004;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ']SET sales_flag = 0 where book_id = 10004' at line 1
-mysql> UPDATE book_table SET sales_flag = 0 where book_id = 10004;
-Query OK, 1 row affected (0.01 sec)
-Rows matched: 1  Changed: 1  Warnings: 0
-
-mysql> SELECT * FROM book_table;
-+---------+----------------+--------------------+-------+------------+
-| book_id | book_name      | author_name        | price | sales_flag |
-+---------+----------------+--------------------+-------+------------+
-|   10001 | TwoPeace       | 三田英一郎         |   420 |          1 |
-|   10002 | 名探偵金田二   | 青山ふみや         |   460 |          1 |
-|   10003 | 坊ちゃま       | 冬目漱石           |   460 |          1 |
-|   10004 | 西方見聞録     | マール＝コー＝ポロ |  1000 |          0 |
-|   10005 | 吾輩は犬である | 冬目漱石           |   420 |          1 |
-+---------+----------------+--------------------+-------+------------+
-5 rows in set (0.00 sec)
-
-mysql> SELECT * FROM book_table where sales_flag = 1;
-+---------+----------------+-------------+-------+------------+
-| book_id | book_name      | author_name | price | sales_flag |
-+---------+----------------+-------------+-------+------------+
-|   10001 | TwoPeace       | 三田英一郎  |   420 |          1 |
-|   10002 | 名探偵金田二   | 青山ふみや  |   460 |          1 |
-|   10003 | 坊ちゃま       | 冬目漱石    |   460 |          1 |
-|   10005 | 吾輩は犬である | 冬目漱石    |   420 |          1 |
-+---------+----------------+-------------+-------+------------+
-4 rows in set (0.00 sec)
-
-mysql> SELECT * FROM book_table where author_name = '冬目漱石'　AND price = 420;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '　AND price = 420' at line 1
-mysql> SELECT * FROM book_table where author_name = '冬目漱石' AND price = 420;
-+---------+----------------+-------------+-------+------------+
-| book_id | book_name      | author_name | price | sales_flag |
-+---------+----------------+-------------+-------+------------+
-|   10005 | 吾輩は犬である | 冬目漱石    |   420 |          1 |
-+---------+----------------+-------------+-------+------------+
-1 row in set (0.00 sec)
-
-mysql> DELETE FROM book_table WHERE book_id = 10003;
-Query OK, 1 row affected (0.00 sec)
-
-mysql> SELECT * FROM book_table;
-+---------+----------------+--------------------+-------+------------+
-| book_id | book_name      | author_name        | price | sales_flag |
-+---------+----------------+--------------------+-------+------------+
-|   10001 | TwoPeace       | 三田英一郎         |   420 |          1 |
-|   10002 | 名探偵金田二   | 青山ふみや         |   460 |          1 |
-|   10004 | 西方見聞録     | マール＝コー＝ポロ |  1000 |          0 |
-|   10005 | 吾輩は犬である | 冬目漱石           |   420 |          1 |
-+---------+----------------+--------------------+-------+------------+
-4 rows in set (0.00 sec)
-
-mysql>

【練習問題】 SQL/Question1/Q1.txt

@@ -0,0 +1,25 @@
+問１
+CREATE TABLE book_table(book_id INT,book_name VARCHAR(50),author_name VARCHAR(50),price INT,sales_flag INT);
+
+問２
+INSERT INTO book_table VALUES(10001,'TwoPeace','三田英一郎',420,1);
+INSERT INTO book_table VALUES(10002,'名探偵金田二','青山ふみや',460,1);
+INSERT INTO book_table VALUES(20001,'坊ちゃま','冬目漱岩',460,1);
+INSERT INTO book_table VALUES(30001,'西方見聞録','不明',1000,1);
+INSERT INTO book_table VALUES(40010,'吾輩は犬である','冬目漱岩',420,1);
+
+問３
+SELECT book_name,author_name FROM book_table;
+
+問４
+UPDATE book_table SET author_name = 'マール＝コ＝ポロ' WHERE book_id = 30001;
+UPDATE book_table SET sales_flag = 0 WHERE book_id = 30001;
+
+問５
+SELECT * FROM book_table WHERE sales_flag = 1;
+
+問６
+SELECT * FROM book_table WHERE author_name = '冬目漱岩' AND price = 420;
+
+問７
+DELETE FROM book_table WHERE book_id = 20001;

【練習問題】 SQL/Question2/Q2+α.txt

@@ -0,0 +1,3 @@
+問１
+SELECT items.商品ID,items.商品名,items.価格,item_category.カテゴリ名 FROM items INNER JOIN item_category ON items.category_id = item_category.category_id ORDER BY 商品ID ASC;
+

【練習問題】 SQL/Question2/Q2.txt

@@ -0,0 +1,29 @@
+問１
+CREATE TABLE item_category(category_id INT AUTO_INCREMENT PRIMARY KEY,category_name VARCHAR(256) NOT NULL);
+INSERT INTO item_category(category_name)VALUES('家具')('飲料'),('食品');
+
+問２
+CREATE TABLE items(item_id INT PRIMARY KEY AUTO_INCREMENT,name VARCHAR(256) NOT NULL,price INT NOT NULL,category_id INT, FOREIGN KEY(category_id)REFERENCES item_category(category_id));
+INSERT INTO items(name,price,category_id) VALUE('ローマのテーブル',150000,1),('げーたるーど2000 500ml',370,2),('原始肉',2500,3),('魅惑の椅子',100000,1);
+
+問３
+SELECT item_category.category_id,items.item_id,items.name,items.price,item_category.category_name FROM items INNER JOIN item_category ON items.category_id = item_category.category_id;
+
+問４
+SELECT item_category.category_id,items.item_id,items.name,items.price,item_category.category_name FROM items INNER JOIN item_category ON items.category_id = item_category.category_id ORDER BY price ASC;
+
+問５
+SELECT item_category.category_id,items.item_id,items.name,items.price,item_category.category_name FROM items INNER JOIN item_category ON items.category_id = item_category.category_id WHERE category_name='家具';
+
+問６
+SELECT item_category.category_id,items.item_id,items.name,items.price,item_category.category_name FROM items INNER JOIN item_category ON items.category_id = item_category.category_id WHERE price BETWEEN 1000 AND 50000;
+
+問７
+SELECT COUNT(*) AS data_count FROM items;
+
+問８
+SELECT item_category.category_id,items.item_id,items.name,items.price,item_category.category_name FROM items INNER JOIN item_category ON items.category_id = item_category.category_id WHERE price = (SELECT MAX(price) FROM items);
+
+問９
+SELECT item_category.category_id,items.item_id,items.name,items.price,item_category.category_name FROM items INNER JOIN item_category ON items.category_id = item_category.category_id WHERE name LIKE '%の%';
+

【練習問題】 SQL/Question2/【+α】ER図/MySQL 8.0 Command Line Client.txt

@@ -1,391 +0,0 @@
-Enter password: *********
-Welcome to the MySQL monitor.  Commands end with ; or \g.
-Your MySQL connection id is 13
-Server version: 8.0.32 MySQL Community Server - GPL
-
-Copyright (c) 2000, 2023, 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> SELECT DATABASE();
-+------------+
-| DATABASE() |
-+------------+
-| rezodb     |
-+------------+
-1 row in set (0.00 sec)
-
-mysql> CREATE TABLE emp_table (emp_no INT, emp_name VARCHAR(50), salary INT);
-Query OK, 0 rows affected (0.03 sec)
-
-mysql> INSERT INTO emp_table VALUES (1, '井上', 20000);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO emp_table VALUES (2, '梅田', 100000);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> SELECT *FROM emp_table;
-+--------+----------+--------+
-| emp_no | emp_name | salary |
-+--------+----------+--------+
-|      1 | 井上     |  20000 |
-|      2 | 梅田     | 100000 |
-+--------+----------+--------+
-2 rows in set (0.00 sec)
-
-mysql> CREATE TABLE book_table (book_id INT, book_name VARCHAR(50), author_name VARCHAR(50), price INT, sales_flag INT);
-Query OK, 0 rows affected (0.02 sec)
-
-mysql> INSERT INTO book_table VALUES (10001, 'TwoPeace', '三田英一郎',　420, 1);
-ERROR 1054 (42S22): Unknown column '　420' in 'field list'
-mysql>  INSERT INTO book_table VALUES (10001, 'TwoPeace', '三田英一郎', 420, 1);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO book_table VALUES (10002, '名探偵金田二', '青山ふみや',　460, 1);
-ERROR 1054 (42S22): Unknown column '　460' in 'field list'
-mysql> INSERT INTO book_table VALUES (10002, '名探偵金田二', '青山ふみや', 460, 1);
-Query OK, 1 row affected (0.00 sec)
-
-mysql> INSERT INTO book_table VALUES (10003, '坊ちゃま', '冬目漱石', 460, 1);
-Query OK, 1 row affected (0.00 sec)
-
-mysql> INSERT INTO book_table VALUES (10004, '西方見聞録', '不明', 1000, 1);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO book_table VALUES (10005, '吾輩は犬である', '冬目漱石', 420, 1);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> SELECT * FROM book_table;
-+---------+----------------+-------------+-------+------------+
-| book_id | book_name      | author_name | price | sales_flag |
-+---------+----------------+-------------+-------+------------+
-|   10001 | TwoPeace       | 三田英一郎  |   420 |          1 |
-|   10002 | 名探偵金田二   | 青山ふみや  |   460 |          1 |
-|   10003 | 坊ちゃま       | 冬目漱石    |   460 |          1 |
-|   10004 | 西方見聞録     | 不明        |  1000 |          1 |
-|   10005 | 吾輩は犬である | 冬目漱石    |   420 |          1 |
-+---------+----------------+-------------+-------+------------+
-5 rows in set (0.00 sec)
-
-mysql> SELECT book_name FROM book_table;
-+----------------+
-| book_name      |
-+----------------+
-| TwoPeace       |
-| 名探偵金田二   |
-| 坊ちゃま       |
-| 西方見聞録     |
-| 吾輩は犬である |
-+----------------+
-5 rows in set (0.00 sec)
-
-mysql> SELECT book_name author_name FROM book_table;
-+----------------+
-| author_name    |
-+----------------+
-| TwoPeace       |
-| 名探偵金田二   |
-| 坊ちゃま       |
-| 西方見聞録     |
-| 吾輩は犬である |
-+----------------+
-5 rows in set (0.00 sec)
-
-mysql> SELECT book_name, author_name FROM book_table;
-+----------------+-------------+
-| book_name      | author_name |
-+----------------+-------------+
-| TwoPeace       | 三田英一郎  |
-| 名探偵金田二   | 青山ふみや  |
-| 坊ちゃま       | 冬目漱石    |
-| 西方見聞録     | 不明        |
-| 吾輩は犬である | 冬目漱石    |
-+----------------+-------------+
-5 rows in set (0.00 sec)
-
-mysql> UPDATE book_table SET author_name = 'マール＝コー＝ポロ'　SET sales_flag = 0 where book_id = 10004;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '　SET sales_flag = 0 where book_id = 10004' at line 1
-mysql> UPDATE book_table SET author_name = 'マール＝コー＝ポロ'  where book_id = 10004;
-Query OK, 1 row affected (0.01 sec)
-Rows matched: 1  Changed: 1  Warnings: 0
-
-mysql> UPDATE book_table ]SET sales_flag = 0 where book_id = 10004;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ']SET sales_flag = 0 where book_id = 10004' at line 1
-mysql> UPDATE book_table SET sales_flag = 0 where book_id = 10004;
-Query OK, 1 row affected (0.01 sec)
-Rows matched: 1  Changed: 1  Warnings: 0
-
-mysql> SELECT * FROM book_table;
-+---------+----------------+--------------------+-------+------------+
-| book_id | book_name      | author_name        | price | sales_flag |
-+---------+----------------+--------------------+-------+------------+
-|   10001 | TwoPeace       | 三田英一郎         |   420 |          1 |
-|   10002 | 名探偵金田二   | 青山ふみや         |   460 |          1 |
-|   10003 | 坊ちゃま       | 冬目漱石           |   460 |          1 |
-|   10004 | 西方見聞録     | マール＝コー＝ポロ |  1000 |          0 |
-|   10005 | 吾輩は犬である | 冬目漱石           |   420 |          1 |
-+---------+----------------+--------------------+-------+------------+
-5 rows in set (0.00 sec)
-
-mysql> SELECT * FROM book_table where sales_flag = 1;
-+---------+----------------+-------------+-------+------------+
-| book_id | book_name      | author_name | price | sales_flag |
-+---------+----------------+-------------+-------+------------+
-|   10001 | TwoPeace       | 三田英一郎  |   420 |          1 |
-|   10002 | 名探偵金田二   | 青山ふみや  |   460 |          1 |
-|   10003 | 坊ちゃま       | 冬目漱石    |   460 |          1 |
-|   10005 | 吾輩は犬である | 冬目漱石    |   420 |          1 |
-+---------+----------------+-------------+-------+------------+
-4 rows in set (0.00 sec)
-
-mysql> SELECT * FROM book_table where author_name = '冬目漱石'　AND price = 420;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '　AND price = 420' at line 1
-mysql> SELECT * FROM book_table where author_name = '冬目漱石' AND price = 420;
-+---------+----------------+-------------+-------+------------+
-| book_id | book_name      | author_name | price | sales_flag |
-+---------+----------------+-------------+-------+------------+
-|   10005 | 吾輩は犬である | 冬目漱石    |   420 |          1 |
-+---------+----------------+-------------+-------+------------+
-1 row in set (0.00 sec)
-
-mysql> DELETE FROM book_table WHERE book_id = 10003;
-Query OK, 1 row affected (0.00 sec)
-
-mysql> SELECT * FROM book_table;
-+---------+----------------+--------------------+-------+------------+
-| book_id | book_name      | author_name        | price | sales_flag |
-+---------+----------------+--------------------+-------+------------+
-|   10001 | TwoPeace       | 三田英一郎         |   420 |          1 |
-|   10002 | 名探偵金田二   | 青山ふみや         |   460 |          1 |
-|   10004 | 西方見聞録     | マール＝コー＝ポロ |  1000 |          0 |
-|   10005 | 吾輩は犬である | 冬目漱石           |   420 |          1 |
-+---------+----------------+--------------------+-------+------------+
-4 rows in set (0.00 sec)
-
-mysql> CREATE TABLE item_category (category_id INT, category_name VARCHAR(256));
-Query OK, 0 rows affected (0.03 sec)
-
-mysql> INSERT INTO item_category (1, '家具');
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '1, '家具')' at line 1
-mysql> INSERT INTO item_category (1, '家具');
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '1, '家具')' at line 1
-mysql> INSERT INTO item_category VALUES (1, '家具');
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO item_category VALUES (2, '飲料');
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO item_category VALUES (3, '食品');
-Query OK, 1 row affected (0.00 sec)
-
-mysql> SELECT * FROM item_table
-    -> ^C
-mysql> SELECT * FROM item_table;
-ERROR 1146 (42S02): Table 'rezodb.item_table' doesn't exist
-mysql> SELECT * FROM item_category;
-+-------------+---------------+
-| category_id | category_name |
-+-------------+---------------+
-|           1 | 家具          |
-|           2 | 飲料          |
-|           3 | 食品          |
-+-------------+---------------+
-3 rows in set (0.00 sec)
-
-mysql> CREATE TABLE items(item_id INT, name VARCHAR(256), price INT, category_id INT);
-Query OK, 0 rows affected (0.02 sec)
-
-mysql> INSERT INTO items VALUES (1, 'ローマのテーブル'　150000, 1);
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '　150000, 1)' at line 1
-mysql> INSERT INTO items VALUES (1, 'ローマのテーブル', 150000, 1);
-Query OK, 1 row affected (0.00 sec)
-
-mysql> INSERT INTO items VALUES (2, 'げーたるーど2000 500ml', 370, 2);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO items VALUES (3, '原子肉', 2500, 3);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> INSERT INTO items VALUES (4, '魅惑の椅子', 100000, 1);
-Query OK, 1 row affected (0.01 sec)
-
-mysql> SELECT * FROM item;
-ERROR 1146 (42S02): Table 'rezodb.item' doesn't exist
-mysql> SELECT * FROM items;
-+---------+------------------------+--------+-------------+
-| item_id | name                   | price  | category_id |
-+---------+------------------------+--------+-------------+
-|       1 | ローマのテーブル       | 150000 |           1 |
-|       2 | げーたるーど2000 500ml |    370 |           2 |
-|       3 | 原子肉                 |   2500 |           3 |
-|       4 | 魅惑の椅子             | 100000 |           1 |
-+---------+------------------------+--------+-------------+
-4 rows in set (0.00 sec)
-
-mysql> SELECT * FROM item_category INNER JOIN item ON item_category.category_id = item.category_id;
-ERROR 1146 (42S02): Table 'rezodb.item' doesn't exist
-mysql> SELECT * FROM item_category INNER JOIN item ON item_category.category_id = items.category_id;
-ERROR 1146 (42S02): Table 'rezodb.item' doesn't exist
-mysql> SELECT * FROM item_category INNER JOIN items ON item_category.category_id = items.category_id;
-+-------------+---------------+---------+------------------------+--------+-------------+
-| category_id | category_name | item_id | name                   | price  | category_id |
-+-------------+---------------+---------+------------------------+--------+-------------+
-|           1 | 家具          |       1 | ローマのテーブル       | 150000 |           1 |
-|           2 | 飲料          |       2 | げーたるーど2000 500ml |    370 |           2 |
-|           3 | 食品          |       3 | 原子肉                 |   2500 |           3 |
-|           1 | 家具          |       4 | 魅惑の椅子             | 100000 |           1 |
-+-------------+---------------+---------+------------------------+--------+-------------+
-4 rows in set (0.00 sec)
-
-mysql> SELECT item.category.category_id AS items.category_id FROM item_category INNER JOIN item ON item_category.category_id = items.category_id;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.category_id FROM item_category INNER JOIN item ON item_category.category_id = i' at line 1
-mysql> SELECT * FROM item_category INNER JOIN items ON item_category.category_id = items.category_id;
-+-------------+---------------+---------+------------------------+--------+-------------+
-| category_id | category_name | item_id | name                   | price  | category_id |
-+-------------+---------------+---------+------------------------+--------+-------------+
-|           1 | 家具          |       1 | ローマのテーブル       | 150000 |           1 |
-|           2 | 飲料          |       2 | げーたるーど2000 500ml |    370 |           2 |
-|           3 | 食品          |       3 | 原子肉                 |   2500 |           3 |
-|           1 | 家具          |       4 | 魅惑の椅子             | 100000 |           1 |
-+-------------+---------------+---------+------------------------+--------+-------------+
-4 rows in set (0.00 sec)
-
-mysql> SELECT * FROM item_category INNER JOIN items ON USING (category_id);
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'USING (category_id)' at line 1
-mysql> SELECT * FROM item_category INNER JOIN items ON USING (category_id);
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'USING (category_id)' at line 1
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id);
-+-------------+---------+------------------------+--------+---------------+
-| category_id | item_id | name                   | price  | category_name |
-+-------------+---------+------------------------+--------+---------------+
-|           1 |       1 | ローマのテーブル       | 150000 | 家具          |
-|           2 |       2 | げーたるーど2000 500ml |    370 | 飲料          |
-|           3 |       3 | 原子肉                 |   2500 | 食品          |
-|           1 |       4 | 魅惑の椅子             | 100000 | 家具          |
-+-------------+---------+------------------------+--------+---------------+
-4 rows in set (0.00 sec)
-
-mysql> SELECT * FROM items;
-+---------+------------------------+--------+-------------+
-| item_id | name                   | price  | category_id |
-+---------+------------------------+--------+-------------+
-|       1 | ローマのテーブル       | 150000 |           1 |
-|       2 | げーたるーど2000 500ml |    370 |           2 |
-|       3 | 原子肉                 |   2500 |           3 |
-|       4 | 魅惑の椅子             | 100000 |           1 |
-+---------+------------------------+--------+-------------+
-4 rows in set (0.00 sec)
-
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) OEDER BY price ASC;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OEDER BY price ASC' at line 1
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) ORDER BY price ASC;
-+-------------+---------+------------------------+--------+---------------+
-| category_id | item_id | name                   | price  | category_name |
-+-------------+---------+------------------------+--------+---------------+
-|           2 |       2 | げーたるーど2000 500ml |    370 | 飲料          |
-|           3 |       3 | 原子肉                 |   2500 | 食品          |
-|           1 |       4 | 魅惑の椅子             | 100000 | 家具          |
-|           1 |       1 | ローマのテーブル       | 150000 | 家具          |
-+-------------+---------+------------------------+--------+---------------+
-4 rows in set (0.00 sec)
-
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE category_name = '家具';
-+-------------+---------+------------------+--------+---------------+
-| category_id | item_id | name             | price  | category_name |
-+-------------+---------+------------------+--------+---------------+
-|           1 |       1 | ローマのテーブル | 150000 | 家具          |
-|           1 |       4 | 魅惑の椅子       | 100000 | 家具          |
-+-------------+---------+------------------+--------+---------------+
-2 rows in set (0.00 sec)
-
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE price > 1000 AND price < 50000;
-+-------------+---------+--------+-------+---------------+
-| category_id | item_id | name   | price | category_name |
-+-------------+---------+--------+-------+---------------+
-|           3 |       3 | 原子肉 |  2500 | 食品          |
-+-------------+---------+--------+-------+---------------+
-1 row in set (0.00 sec)
-
-mysql> SELECT COUNT (*) AS data_count from items;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '*) AS data_count from items' at line 1
-mysql> SELECT COUNT () AS data_count from items;
-ERROR 1630 (42000): FUNCTION rezodb.COUNT does not exist. Check the 'Function Name Parsing and Resolution' section in the Reference Manual
-mysql> SELECT COUNT (*) AS data_count from items;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '*) AS data_count from items' at line 1
-mysql> SELECT COUNT (*) AS data_count FROM items;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '*) AS data_count FROM items' at line 1
-mysql> SELECT COUNT (*) FROM items;
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '*) FROM items' at line 1
-mysql> SELECT COUNT(*) FROM items;
-+----------+
-| COUNT(*) |
-+----------+
-|        4 |
-+----------+
-1 row in set (0.01 sec)
-
-mysql> SELECT COUNT(*) AS data_count FROM items;
-+------------+
-| data_count |
-+------------+
-|          4 |
-+------------+
-1 row in set (0.00 sec)
-
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) s
-    -> ^C
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE score = MIN (score)
-    -> ^C
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE score = MIN (score);
-ERROR 1054 (42S22): Unknown column 'score' in 'where clause'
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE score = (MIN (score) FROM items);
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FROM items)' at line 1
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE score = (MIN(score) FROM items);
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FROM items)' at line 1
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE score = (MAX(price) FROM items);
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FROM items)' at line 1
-mysql> mysql> SELECT * FROM items WHERE price = (SELECT MAX(price) FROM items);
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'mysql> SELECT * FROM items WHERE price = (SELECT MAX(price) FROM items)' at line 1
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id);
-+-------------+---------+------------------------+--------+---------------+
-| category_id | item_id | name                   | price  | category_name |
-+-------------+---------+------------------------+--------+---------------+
-|           1 |       1 | ローマのテーブル       | 150000 | 家具          |
-|           2 |       2 | げーたるーど2000 500ml |    370 | 飲料          |
-|           3 |       3 | 原子肉                 |   2500 | 食品          |
-|           1 |       4 | 魅惑の椅子             | 100000 | 家具          |
-+-------------+---------+------------------------+--------+---------------+
-4 rows in set (0.00 sec)
-
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE price = (MAX(price) FROM items);
-ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FROM items)' at line 1
-mysql> SELECT * FROM items WHERE price = (SELECT MAX(price) FROM items);
-+---------+------------------+--------+-------------+
-| item_id | name             | price  | category_id |
-+---------+------------------+--------+-------------+
-|       1 | ローマのテーブル | 150000 |           1 |
-+---------+------------------+--------+-------------+
-1 row in set (0.00 sec)
-
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE price = (SELECT MAX(price) FROM items);
-+-------------+---------+------------------+--------+---------------+
-| category_id | item_id | name             | price  | category_name |
-+-------------+---------+------------------+--------+---------------+
-|           1 |       1 | ローマのテーブル | 150000 | 家具          |
-+-------------+---------+------------------+--------+---------------+
-1 row in set (0.00 sec)
-
-mysql> SELECT * FROM items INNER JOIN item_category USING (category_id) WHERE name LIKE '%の%';
-+-------------+---------+------------------+--------+---------------+
-| category_id | item_id | name             | price  | category_name |
-+-------------+---------+------------------+--------+---------------+
-|           1 |       4 | 魅惑の椅子       | 100000 | 家具          |
-|           1 |       1 | ローマのテーブル | 150000 | 家具          |
-+-------------+---------+------------------+--------+---------------+
-2 rows in set (0.00 sec)
-
-mysql>