37 lines
847 B
SQL
37 lines
847 B
SQL
--問1
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CREATE TABLE book_table (
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book_id INT,
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book_name VARCHAR(50),
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author_name VARCHAR(50),
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price INT,
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sales_flag INT
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);
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--問2
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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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--問3
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SELECT book_name,author_name FROM book_table;
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--問4
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UPDATE book_table
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SET author_name = 'マール=コー=ポロ',
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sales_flag = 0
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WHERE book_id = 30001;
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--問5
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SELECT * FROM book_table
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WHERE sales_flag = 1;
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--問6
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SELECT * FROM book_table
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WHERE author_name = '冬目漱岩' AND price = 420;
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--問7
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DELETE FROM book_table
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WHERE book_id = 20001;
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