From 3db1611ecbf4dda77c083593c4be58823edc6f5b Mon Sep 17 00:00:00 2001 From: m-endo <26-s-i-tm-nets@it-college.jp> Date: Mon, 28 Sep 2026 14:16:26 +0900 Subject: [PATCH] =?UTF-8?q?MySQL=20SQL=E5=95=8F=E9=A1=8C=E9=9B=86=20part1?= =?UTF-8?q?=E7=B5=82=E4=BA=86?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../Question1/MySQL SQL問題集 part1.txt | 179 ++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 【練習問題】 SQL/Question1/MySQL SQL問題集 part1.txt diff --git a/【練習問題】 SQL/Question1/MySQL SQL問題集 part1.txt b/【練習問題】 SQL/Question1/MySQL SQL問題集 part1.txt new file mode 100644 index 0000000..6acff1e --- /dev/null +++ b/【練習問題】 SQL/Question1/MySQL SQL問題集 part1.txt @@ -0,0 +1,179 @@ +MySQL SQL問題集 part1 + +MySQEnter password: ********* +Welcome to the MySQL monitor. Commands end with ; or \g. +Your MySQL connection id is 23 +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> USE rezodb; +Database changed +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', 200000); +Query OK, 1 row affected (0.01 sec) + +mysql> INSERT INTO emp_table VALUES (2, '梅田', 1000000); +Query OK, 1 row affected (0.01 sec) + +mysql> SELECT * FROM emp_table; ++--------+----------+---------+ +| emp_no | emp_name | salary | ++--------+----------+---------+ +| 1 | 井上 | 200000 | +| 2 | 梅田 | 1000000 | ++--------+----------+---------+ +2 rows in set (0.00 sec) + +mysql> CREATE TABLE book_table (book_id INT,book_name VARCHAR(50), author_name VARCHAR(50), prime INT,sales_flag INT); +Query OK, 0 rows affected (0.04 sec) + +mysql> INSERT INTO book_table VALUES (10001,TwoPeace,'三田英一郎',420,1); +ERROR 1054 (42S22): Unknown column 'TwoPeace' in 'field list' +mysql> INSERT INTO book_table VALUES(10001,TwoPeace,'三田英一郎',420,1); +ERROR 1054 (42S22): Unknown column 'TwoPeace' in 'field list' +mysql> DROP TABLE book_table; +Query OK, 0 rows affected (0.02 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 (0.03 sec) + +mysql> INSERT INTO book_table(10001,TwoPeace,'三田英一郎',420,1); +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 '10001,TwoPeace,'三田英一郎',420,1)' at line 1 +mysql> INSERT INTO book_table VALUES　(10001,'TwoPeace','三田英一郎',420,1); +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 'VALUES　(10001,'TwoPeace','三田英一郎',420,1)' at line 1 +mysql> SELECT * fROM book_table; +Empty set (0.00 sec) + +mysql> INSERT INTO book_table VALUES (10001,'TwoPeace','三田英一郎',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 | ++---------+-----------+-------------+-------+------------+ +1 row in set (0.00 sec) + +mysql> INSERT INTO book_table VALUES(10002,'名探偵金田二','青山ふみや',420,1); +Query OK, 1 row affected (0.00 sec) + +mysql> INSERT INTO book_table VALUES(20001,'坊ちゃま','冬目漱石',460); +ERROR 1136 (21S01): Column count doesn't match value count at row 1 +mysql> INSERT INTO book_table VALUES(20001,'坊ちゃま','冬目漱石',460,1); +Query OK, 1 row affected (0.01 sec) + +mysql> UPDATE book_table SET price = 460 WHERE book_id = 10002; +Query OK, 1 row affected (0.01 sec) +Rows matched: 1 Changed: 1 Warnings: 0 + +mysql> INSERT INTO book_table VALUES(30001,'西方見聞録','不明',1000,1); +Query OK, 1 row affected (0.00 sec) + +mysql> INSERT INTO book_table VALIES(40010,'吾輩は犬である','冬目漱石',420,1); +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 'VALIES(40010,'吾輩は犬である','冬目漱石',420,1)' at line 1 +mysql> INSERT INTO book_table VALUES(40010,'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 | +| 20001 | 坊ちゃま | 冬目漱石 | 460 | 1 | +| 30001 | 西方見聞録 | 不明 | 1000 | 1 | +| 40010 | 吾輩は犬である | 冬目漱石 | 420 | 1 | ++---------+----------------+-------------+-------+------------+ +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> UPDATA book_table SET author_name = 'マール＝コー＝ポロ' WHERE book_id = 30001; +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 'UPDATA book_table SET author_name = 'マール＝コー＝ポロ' WHERE book_id ' at line 1 +mysql> UPDATA book_table SET author_name = 'マール＝コー＝ポロ' WHERE book_id =30001; +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 'UPDATA book_table SET author_name = 'マール＝コー＝ポロ' WHERE book_id ' at line 1 +mysql> UPDATA book_table SET sales_flag = 0 WHERE book_id = 30001; +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 'UPDATA book_table SET sales_flag = 0 WHERE book_id = 30001' at line 1 +mysql> ^C +mysql> UPDATE book_table SET author_name = 'マール＝コー＝ポロ' WHERE book_id = 30001; +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 = 30001; +Query OK, 1 row affected (0.01 sec) +Rows matched: 1 Changed: 1 Warnings: 0 + +mysql> SELECT FROM *book_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 'FROM *book_table' at line 1 +mysql> SELECT FROM * book_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 'FROM * book_table' at line 1 +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 | +| 20001 | 坊ちゃま | 冬目漱石 | 460 | 1 | +| 30001 | 西方見聞録 | マール＝コー＝ポロ | 1000 | 0 | +| 40010 | 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 salse_flag = 1; +ERROR 1054 (42S22): Unknown column 'salse_flag' in 'where clause' +mysql> SELECT * FROM book_table where salse_flag = 1; +ERROR 1054 (42S22): Unknown column 'salse_flag' in 'where clause' +mysql> SELECT * FROM table WHERE sales_flag = 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 'table WHERE sales_flag = 1' at line 1 +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 | 冬目漱石 | 460 | 1 | +| 40010 | 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; ++---------+----------------+-------------+-------+------------+ +| book_id | book_name | author_name | price | sales_flag | ++---------+----------------+-------------+-------+------------+ +| 40010 | 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 = 20001; +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 | +| 30001 | 西方見聞録 | マール＝コー＝ポロ | 1000 | 0 | +| 40010 | 吾輩は犬である | 冬目漱石 | 420 | 1 | ++---------+----------------+--------------------+-------+------------+ +4 rows in set (0.00 sec) \ No newline at end of file