MySQL SQL問題集 part1終了
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【練習問題】 SQL/Question1/MySQL SQL問題集 part1.txt
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【練習問題】 SQL/Question1/MySQL SQL問題集 part1.txt
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MySQL SQL問題集 part1
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MySQEnter password: *********
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Welcome to the MySQL monitor. Commands end with ; or \g.
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Your MySQL connection id is 23
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Server version: 8.0.32 MySQL Community Server - GPL
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Copyright (c) 2000, 2023, Oracle and/or its affiliates.
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Oracle is a registered trademark of Oracle Corporation and/or its
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affiliates. Other names may be trademarks of their respective
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owners.
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Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
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mysql> USE rezodb;
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Database changed
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mysql> CREATE TABLE emp_table (emp_no INT,emp_name VARCHAR(50),salary INT);
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Query OK, 0 rows affected (0.03 sec)
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mysql> INSERT INTO emp_table VALUES (1, '井上', 200000);
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Query OK, 1 row affected (0.01 sec)
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mysql> INSERT INTO emp_table VALUES (2, '梅田', 1000000);
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Query OK, 1 row affected (0.01 sec)
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mysql> SELECT * FROM emp_table;
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+--------+----------+---------+
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| emp_no | emp_name | salary |
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+--------+----------+---------+
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| 1 | 井上 | 200000 |
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| 2 | 梅田 | 1000000 |
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+--------+----------+---------+
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2 rows in set (0.00 sec)
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mysql> CREATE TABLE book_table (book_id INT,book_name VARCHAR(50), author_name VARCHAR(50), prime INT,sales_flag INT);
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Query OK, 0 rows affected (0.04 sec)
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mysql> INSERT INTO book_table VALUES (10001,TwoPeace,'三田英一郎',420,1);
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ERROR 1054 (42S22): Unknown column 'TwoPeace' in 'field list'
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mysql> INSERT INTO book_table VALUES(10001,TwoPeace,'三田英一郎',420,1);
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ERROR 1054 (42S22): Unknown column 'TwoPeace' in 'field list'
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mysql> DROP TABLE book_table;
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Query OK, 0 rows affected (0.02 sec)
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mysql> CREATE TABLE book_table(book_id INT,book_name VARCHAR(50),author_name VARCHAR(50),price INT,sales_flag INT);
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Query OK, 0 rows affected (0.03 sec)
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mysql> INSERT INTO book_table(10001,TwoPeace,'三田英一郎',420,1);
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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
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mysql> INSERT INTO book_table VALUES (10001,'TwoPeace','三田英一郎',420,1);
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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
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mysql> SELECT * fROM book_table;
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Empty set (0.00 sec)
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mysql> INSERT INTO book_table VALUES (10001,'TwoPeace','三田英一郎',420,1);
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Query OK, 1 row affected (0.01 sec)
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mysql> SELECT * FROM book_table;
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+---------+-----------+-------------+-------+------------+
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| book_id | book_name | author_name | price | sales_flag |
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+---------+-----------+-------------+-------+------------+
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| 10001 | TwoPeace | 三田英一郎 | 420 | 1 |
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+---------+-----------+-------------+-------+------------+
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1 row in set (0.00 sec)
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mysql> INSERT INTO book_table VALUES(10002,'名探偵金田二','青山ふみや',420,1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO book_table VALUES(20001,'坊ちゃま','冬目漱石',460);
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ERROR 1136 (21S01): Column count doesn't match value count at row 1
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mysql> INSERT INTO book_table VALUES(20001,'坊ちゃま','冬目漱石',460,1);
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Query OK, 1 row affected (0.01 sec)
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mysql> UPDATE book_table SET price = 460 WHERE book_id = 10002;
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Query OK, 1 row affected (0.01 sec)
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Rows matched: 1 Changed: 1 Warnings: 0
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mysql> INSERT INTO book_table VALUES(30001,'西方見聞録','不明',1000,1);
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Query OK, 1 row affected (0.00 sec)
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mysql> INSERT INTO book_table VALIES(40010,'吾輩は犬である','冬目漱石',420,1);
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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
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mysql> INSERT INTO book_table VALUES(40010,'吾輩は犬である','冬目漱石',420,1);
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Query OK, 1 row affected (0.01 sec)
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mysql> SELECT * FROM book_table;
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+---------+----------------+-------------+-------+------------+
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| book_id | book_name | author_name | price | sales_flag |
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+---------+----------------+-------------+-------+------------+
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| 10001 | TwoPeace | 三田英一郎 | 420 | 1 |
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| 10002 | 名探偵金田二 | 青山ふみや | 460 | 1 |
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| 20001 | 坊ちゃま | 冬目漱石 | 460 | 1 |
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| 30001 | 西方見聞録 | 不明 | 1000 | 1 |
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| 40010 | 吾輩は犬である | 冬目漱石 | 420 | 1 |
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+---------+----------------+-------------+-------+------------+
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5 rows in set (0.00 sec)
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mysql> SELECT book_name,author_name FROM book_table;
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+----------------+-------------+
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| book_name | author_name |
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+----------------+-------------+
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| TwoPeace | 三田英一郎 |
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| 名探偵金田二 | 青山ふみや |
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| 坊ちゃま | 冬目漱石 |
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| 西方見聞録 | 不明 |
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| 吾輩は犬である | 冬目漱石 |
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+----------------+-------------+
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5 rows in set (0.00 sec)
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mysql> UPDATA book_table SET author_name = 'マール＝コー＝ポロ' WHERE book_id = 30001;
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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
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mysql> UPDATA book_table SET author_name = 'マール＝コー＝ポロ' WHERE book_id =30001;
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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
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mysql> UPDATA book_table SET sales_flag = 0 WHERE book_id = 30001;
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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
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mysql> ^C
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mysql> UPDATE book_table SET author_name = 'マール＝コー＝ポロ' WHERE book_id = 30001;
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Query OK, 1 row affected (0.01 sec)
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Rows matched: 1 Changed: 1 Warnings: 0
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mysql> UPDATE book_table SET sales_flag = 0 WHERE book_id = 30001;
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Query OK, 1 row affected (0.01 sec)
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Rows matched: 1 Changed: 1 Warnings: 0
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mysql> SELECT FROM *book_table;
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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
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mysql> SELECT FROM * book_table;
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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
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mysql> SELECT * FROM book_table;
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+---------+----------------+--------------------+-------+------------+
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| book_id | book_name | author_name | price | sales_flag |
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+---------+----------------+--------------------+-------+------------+
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| 10001 | TwoPeace | 三田英一郎 | 420 | 1 |
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| 10002 | 名探偵金田二 | 青山ふみや | 460 | 1 |
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| 20001 | 坊ちゃま | 冬目漱石 | 460 | 1 |
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| 30001 | 西方見聞録 | マール＝コー＝ポロ | 1000 | 0 |
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| 40010 | 吾輩は犬である | 冬目漱石 | 420 | 1 |
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+---------+----------------+--------------------+-------+------------+
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5 rows in set (0.00 sec)
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mysql> SELECT * FROM book_table where salse_flag = 1;
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ERROR 1054 (42S22): Unknown column 'salse_flag' in 'where clause'
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mysql> SELECT * FROM book_table where salse_flag = 1;
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ERROR 1054 (42S22): Unknown column 'salse_flag' in 'where clause'
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mysql> SELECT * FROM table WHERE sales_flag = 1;
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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
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mysql> SELECT * FROM book_table WHERE sales_flag = 1;
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+---------+----------------+-------------+-------+------------+
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| book_id | book_name | author_name | price | sales_flag |
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+---------+----------------+-------------+-------+------------+
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| 10001 | TwoPeace | 三田英一郎 | 420 | 1 |
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| 10002 | 名探偵金田二 | 青山ふみや | 460 | 1 |
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| 20001 | 坊ちゃま | 冬目漱石 | 460 | 1 |
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| 40010 | 吾輩は犬である | 冬目漱石 | 420 | 1 |
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+---------+----------------+-------------+-------+------------+
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4 rows in set (0.00 sec)
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mysql> SELECT * FROM book_table where author_name = '冬目漱石' and price = 420;
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+---------+----------------+-------------+-------+------------+
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| book_id | book_name | author_name | price | sales_flag |
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+---------+----------------+-------------+-------+------------+
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| 40010 | 吾輩は犬である | 冬目漱石 | 420 | 1 |
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+---------+----------------+-------------+-------+------------+
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1 row in set (0.00 sec)
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mysql> DELETE FROM book_table WHERE book_id = 20001;
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Query OK, 1 row affected (0.01 sec)
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mysql> SELECT * FROM book_table;
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+---------+----------------+--------------------+-------+------------+
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| book_id | book_name | author_name | price | sales_flag |
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+---------+----------------+--------------------+-------+------------+
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| 10001 | TwoPeace | 三田英一郎 | 420 | 1 |
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| 10002 | 名探偵金田二 | 青山ふみや | 460 | 1 |
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| 30001 | 西方見聞録 | マール＝コー＝ポロ | 1000 | 0 |
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| 40010 | 吾輩は犬である | 冬目漱石 | 420 | 1 |
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+---------+----------------+--------------------+-------+------------+
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4 rows in set (0.00 sec)
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