33 lines
1.0 KiB
Plaintext
33 lines
1.0 KiB
Plaintext
--Q1
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CREATE TABLE book_table (
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book_id INT COMMENT '書籍ID',
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book_name VARCHAR(50) COMMENT '書籍名',
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author_name VARCHAR(50) COMMENT '著者',
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price INT COMMENT '価格',
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sales_flag INT COMMENT '販売有無'
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);
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--Q2
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INSERT INTO book_table VALUES (10001, 'TwoPeace', '三田英一郎', 420, 1);
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INSERT INTO book_table VALUES (10002, '名探偵金田二', '青山ふみや', 460, 1);
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INSERT INTO book_table VALUES (20001, '坊ちゃま', '冬目漱岩', 460, 1);
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INSERT INTO book_table VALUES (30001, '西方見聞録', '不明', 1000, 1);
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INSERT INTO book_table VALUES (40010, '吾輩は犬である', '冬目漱岩', 420, 1);
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--Q3
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SELECT book_name, author_name FROM book_table;
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--Q4
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UPDATE book_table SET author_name = 'マール＝コー＝ポロ', sales_flag = 0 WHERE book_id = 30001;
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SELECT * FROM book_table;
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--Q5
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SELECT * FROM book_table WHERE sales_flag = 1;
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--Q6
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SELECT * FROM book_table WHERE author_name = '冬目漱岩' AND price = 420;
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--Q7
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DELETE FROM book_table WHERE book_id = 20001;
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SELECT * FROM book_table;
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