question１です

【練習問題】 SQL/Question1/Questions1_中野.txt

@@ -0,0 +1,25 @@
+問1
+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', '冬目漱石', 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', '冬目漱石', 420, 1);
+
+問3
+SELECT book_name, author_name FROM book_table;
+
+問4
+UPDATE book_table SET author_name = 'マール=コ-=ポロ' WHERE book_id = 30001;
+UPDATE book_table SET sales_flag = 0 WHERE book_id = 30001;
+
+問5
+SELECT * FROM book_table WHERE sales_flag = 1;
+
+問6
+SELECT * FROM book_table WHERE author_name = '冬目漱石' AND price = 420;
+
+問7
+DELETE FROM book_table WHERE book_id = 20001;