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2026-09-28 11:30:37 +09:00

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問1
テーブル作成
CREATE TABLE book_table (book_id INT, book_name VARCHAR(50), author_name VARCHAR(50), price INT, sales_flag INT);
問2
INSERT INTO book_table VALUES (10001, 'TwoPeace', '三田英一郎', 420,1);
INSERT INTO book_table VALUES (10002, '名探偵金田二', '青山ふみや', 460,1);
INSERT INTO book_table VALUES (20001, '坊ちゃま', '冬目漱岩', 460,1);
INSERT INTO book_table VALUES (30001, '西方見聞録', '不明', 1000,1);
INSERT INTO book_table VALUES (40010, '吾輩は犬である', '冬目漱岩', 420,1);
問3
SELECT book_name , author_name FROM book_table;
問4
UPDATE book_table SET sales_flag= 0 WHERE book_id =30001;
問5
SELECT * FROM book_table WHERE sales_flag LIKE '%1%';
問6
SELECT * FROM book_table WHERE author_name = '冬目漱岩' AND price = 420;
問7
DELETE FROM book_table WHERE book_id = 20001;