From 5bf83a28e467ee1eb6c7d1b56b96287922db7c7a Mon Sep 17 00:00:00 2001 From: m-shimizu <26-m-e-stella-tecnica@it-college.jp> Date: Mon, 28 Sep 2026 13:26:17 +0900 Subject: [PATCH] SQL_Q1 --- .../Question1/book_table_清水.sql | 113 ++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 【練習問題】 SQL/Question1/book_table_清水.sql diff --git a/【練習問題】 SQL/Question1/book_table_清水.sql b/【練習問題】 SQL/Question1/book_table_清水.sql new file mode 100644 index 0000000..81a80af --- /dev/null +++ b/【練習問題】 SQL/Question1/book_table_清水.sql @@ -0,0 +1,113 @@ +Enter password: ********* +Welcome to the MySQL monitor. Commands end with ; or \g. +Your MySQL connection id is 20 +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> CREATE TABLE book_table ( + -> \c +mysql> ALTER TABLE book_table + -> ADD book_id INT, + -> ADD bookname VARCHAR(50), + -> ADD author_name VARCHAR(50), + -> ADD price INT, + -> ADD sales,flag INT; +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 ',flag INT' at line 6 +mysql> ALTER TABLE book_table + -> -> ADD book_id INT, + -> -> ADD bookname VARCHAR(50), + -> -> ADD author_name VARCHAR(50), + -> -> ADD price INT, + -> -> ADD price INT,\c +mysql> ALTER TABLE book_table + -> ADD book_id INT, + -> ADD book_name VARCHAR(50), + -> ADD author_name VARCHAR(50), + -> ADD price INT, + -> ADD sales_flag INT; +ERROR 1146 (42S02): Table 'book_table.book_table' doesn't exist +mysql> SHOW TABLE; +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 '' at line 1 +mysql> SHOW TABLES; +Empty 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), + -> (10002, '名探偵金田二', '青山ふみや', 460, 1), + -> (20001, '坊ちゃま', '冬目漱岩', 460, 1), + -> (30001, '西方見聞録', '不明', 1000, 1), + -> (40010, '吾輩は犬である', '冬目漱岩', 420, 1); +Query OK, 5 rows affected (0.02 sec) +Records: 5 Duplicates: 0 Warnings: 0 + +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 | 冬目漱岩 | +| 西方見聞録 | 不明 | +| 吾輩は犬である | 冬目漱岩 | ++----------------+-------------+ +5 rows in set (0.00 sec) + +mysql> UPDATE book_table SET author_name = 'マール＝コーニポロ', salse_flag = 0 WHERE book_id = 30001; +ERROR 1054 (42S22): Unknown column 'salse_flag' in 'field list' +mysql> UPDATE book_table SET author_name = 'マール＝コーニポロ', sales_flag = 0 WHERE book_id = 30001; +Query OK, 1 row affected (0.01 sec) +Rows matched: 1 Changed: 1 Warnings: 0 + +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 | +| 20001 | 坊ちゃま | 冬目漱岩 | 460 | 1 | +| 40010 | 吾輩は犬である | 冬目漱岩 | 420 | 1 | ++---------+----------------+-------------+-------+------------+ +4 rows in set (0.00 sec) + +mysql> SELECT * FROM book_table WHERE author + -> _name = '冬目漱岩' 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 '_name = '冬目漱岩' AND price = 420' at line 2 +mysql> SELECT * FROM book_table WHERE author_name = '冬目漱岩' AND price = 420; ++---------+----------------+-------------+-------+------------+ +| book_id | book_name | author_name | price | sales_flag | ++---------+----------------+-------------+-------+------------+ +| 40010 | 吾輩は犬である | 冬目漱岩 | 420 | 1 | ++---------+----------------+-------------+-------+------------+ +1 row in set (0.01 sec) + +mysql> DELETE FROM book_table WHERE book_id = 20001; +Query OK, 1 row affected (0.02 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 | +| 30001 | 西方見聞録 | マール＝コーニポロ | 1000 | 0 | +| 40010 | 吾輩は犬である | 冬目漱岩 | 420 | 1 | ++---------+----------------+--------------------+-------+------------+ +4 rows in set (0.00 sec) + +mysql> \ No newline at end of file