完了済

Answers/Question1.txt

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+--Q1
+CREATE TABLE book_table (
+    book_id INT COMMENT '書籍ID',
+    book_name VARCHAR(50) COMMENT '書籍名',
+    author_name VARCHAR(50) COMMENT '著者',
+    price INT COMMENT '価格',
+    sales_flag INT COMMENT '販売有無'
+);
+
+--Q2
+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);
+
+--Q3
+SELECT book_name, author_name FROM book_table;
+
+--Q4
+UPDATE book_table SET author_name = 'マール＝コー＝ポロ', sales_flag = 0 WHERE book_id = 30001;
+SELECT * FROM book_table;
+
+--Q5
+SELECT * FROM book_table WHERE sales_flag = 1;
+
+--Q6
+SELECT * FROM book_table WHERE author_name = '冬目漱岩' AND price = 420;
+
+--Q7
+DELETE FROM book_table WHERE book_id = 20001;
+SELECT * FROM book_table;