質問編集履歴
3
追記
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File without changes
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@@ -17,4 +17,82 @@
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FROM hotels_reviews GROUP BY hotel_i' at line 5
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```
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となります。どこが間違えておりますでしょうか。
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となります。どこが間違えておりますでしょうか。
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追記。以下がテーブルです。
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```SQL
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-- phpMyAdmin SQL Dump
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-- version 4.8.3
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-- https://www.phpmyadmin.net/
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--
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-- Host: localhost:8889
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-- Generation Time: Feb 21, 2019 at 06:49 AM
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-- Server version: 5.7.23
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-- PHP Version: 7.2.8
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+
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SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
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SET time_zone = "+00:00";
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--
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-- Database: `BookingSite`
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--
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-- --------------------------------------------------------
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--
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-- Table structure for table `hotels_reviews`
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--
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CREATE TABLE `hotels_reviews` (
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`hotels_reviews_id` int(11) NOT NULL,
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`hotel_id` int(11) NOT NULL,
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`country_code` enum('JPN','PHL') DEFAULT NULL,
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`user_name` varchar(100) NOT NULL,
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`user_country` enum('JPN','PHL') DEFAULT NULL,
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`content` text NOT NULL,
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`length` int(11) NOT NULL,
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`rating` enum('1','2','3','4','5') DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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--
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-- Dumping data for table `hotels_reviews`
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--
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INSERT INTO `hotels_reviews` (`hotels_reviews_id`, `hotel_id`, `country_code`, `user_name`, `user_country`, `content`, `length`, `rating`) VALUES
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(7, 3, 'PHL', 'Chandler', 'PHL', 'This is by far the best stay that I have ever had. People are very nice Which if there is next time,\r\nmakes me want to book the hoel again.This is by far the best stay that I have ever had. People are very nice Which if there is next time,\r\nmakes me want to book the hoel again.', 3, '5'),
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(8, 3, 'PHL', 'ハマショー', 'JPN', 'This is by far the best stay that I have ever had. People are very nice Which if there is next time,\r\nmakes me want to book the hoel again.This is by far the best stay that I have ever had. People are very nice Which if there is next time,\r\nmakes me want to book the hoel again.', 4, '5'),
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(9, 3, 'PHL', 'YutaNakai', 'JPN', 'とても素晴らしい滞在でした。皆さんとても親切でまた行きたと思いました。他の方にも体験して欲しいです。とても素晴らしい滞在でした。皆さんとても親切でまた行きたと思いました。他の方にも体験して欲しいです。\r\nとても素晴らしい滞在でした。皆さんとても親切でまた行きたと思いました。他の方にも体験して欲しいです。', 8, '5'),
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(14, 3, 'PHL', 'Joye', 'JPN', 'Everything was so good that there is nothing that I can complain about even if I had to. Especially, one of the receptionist was amazing.\r\nThe way she takes care of customer,she speaks and stuff.Thank you for delightful stay.Everything was so good that there is nothing that I can complain about even if I had to. Especially, one of the receptionist was amazing.\r\nThe way she takes care of customer,she speaks and stuff.Thank you for delightful stay.', 2, '5'),
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(15, 3, 'PHL', '井上', 'JPN', 'とても素晴らしかったです。また行きます！', 2, '5'),
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(16, 3, 'PHL', 'ChinMu', 'PHL', 'Everything was good but the fact that they gave us the uncorrect key twice.', 3, '4'),
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(17, 1, 'PHL', 'みっちー', 'JPN', '普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。\r\n普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。', 2, '3'),
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(18, 1, 'PHL', 'NOHARA', 'JPN', '普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。\r\n普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。', 2, '3'),
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(19, 1, 'PHL', 'Monica', 'PHL', 'That was too dirty although cheap.......', 2, '2'),
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(20, 2, 'PHL', 'Monica', 'PHL', 'Nothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. I can go there again.', 1, '4'),
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(21, 2, 'PHL', 'Narita', 'JPN', '普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。\r\n普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。普通です。', 2, '4'),
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(22, 2, 'PHL', 'shinohara', 'JPN', '特にこれといって悪いところはなかったので、次も利用したいと思います。', 3, '4'),
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(23, 2, 'PHL', 'Ross', 'PHL', 'Nothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. \r\nI can go there again.Nothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. I can go there again.\r\nNothing so bad so that was okay. I can go there again.Nothing so bad so that was okay. I can go there again.', 2, '4'),
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(24, 2, 'PHL', 'Tom', 'PHL', 'Normal......................', 5, '3');
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--
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-- Indexes for dumped tables
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--
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--
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-- Indexes for table `hotels_reviews`
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--
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ALTER TABLE `hotels_reviews`
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ADD PRIMARY KEY (`hotels_reviews_id`),
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ADD UNIQUE KEY `hotel_id` (`hotel_id`,`country_code`,`user_name`);
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--
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-- AUTO_INCREMENT for dumped tables
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--
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--
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-- AUTO_INCREMENT for table `hotels_reviews`
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--
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ALTER TABLE `hotels_reviews`
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MODIFY `hotels_reviews_id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=25;
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```
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2
誤字
title
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File without changes
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body
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@@ -1,10 +1,11 @@
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現在のコードとエラーです
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``` SQL
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SELECT hotel_id, AVG(rating) AS rate
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SELECT hotel_id, AVG(rating) AS rate,
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CASE WHEN rate > 4.5 THEN '非常に良い'
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WHEN rate > 3 THEN '普通'
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WHEN rate <= 3 THEN '平均未満'
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ELSE rate
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ELSE rate'評価なし'
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END AS ratingresult
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END AS 'ratingresult'
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FROM hotels_reviews GROUP BY hotel_id
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```
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```error
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#1064 - 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 ''評価なし'
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END AS '
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END AS 'ratingresult'
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FROM hotels_reviews
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GROUP BY
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FROM hotels_reviews GROUP BY hotel_i' at line 5
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```
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19
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20
20
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となります。どこが間違えておりますでしょうか。
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``` SQL
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SELECT hotel_id, AVG(rating) AS rate
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SELECT hotel_id, AVG(rating) AS rate
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CASE WHEN rate
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CASE WHEN rate > 4.5 THEN '非常に良い'
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WHEN rate
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WHEN rate > 3 THEN '普通'
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WHEN rate
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WHEN rate <= 3 THEN '平均未満'
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ELSE rate '評価なし'
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END AS
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END AS ratingresult
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FROM hotels_reviews
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FROM hotels_reviews GROUP BY hotel_id
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GROUP BY hotel_id
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```
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これを実行すると
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