mysql> SELECT * FROM book2_table;
Empty set (0.00 sec)


mysql> INSERT INTO book2_table VALUES (10001,'TowPeace','三田英一郎', 420, 1);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO book2_table VALUES (10002,'名探偵金田二','青山ふみや', 460, 1);
Query OK, 1 row affected (0.01 sec)

mysql> INSERT INTO book2_table VALUES (20001,'坊ちゃま','冬目漱石', 460, 1);
Query OK, 1 row affected (0.01 sec)

mysql> INSERT INTO book2_table VALUES (30001,'西方見聞録','不明', 1000, 1);
Query OK, 1 row affected (0.01 sec)

mysql> INSERT INTO book2_table VALUES (40010,'吾輩は犬である','冬目漱石', 420, 1);
Query OK, 1 row affected (0.01 sec)

mysql> SELECT * FROM book2_table;
+---------+----------------+-------------+-------+------------+
| book_id | book_name      | author_name | price | sales_flag |
+---------+----------------+-------------+-------+------------+
|   10001 | TowPeace       | 三田英一郎  |   420 |          1 |
|   10002 | 名探偵金田二   | 青山ふみや  |   460 |          1 |
|   20001 | 坊ちゃま       | 冬目漱石    |   460 |          1 |
|   30001 | 西方見聞録     | 不明        |  1000 |          1 |
|   40010 | 吾輩は犬である | 冬目漱石    |   420 |          1 |
+---------+----------------+-------------+-------+------------+
5 rows in set (0.00 sec)

mysql> SELECT book_name,author_name FROM book2_table;
+----------------+-------------+
| book_name      | author_name |
+----------------+-------------+
| TowPeace       | 三田英一郎  |
| 名探偵金田二   | 青山ふみや  |
| 坊ちゃま       | 冬目漱石    |
| 西方見聞録     | 不明        |
| 吾輩は犬である | 冬目漱石    |
+----------------+-------------+
5 rows in set (0.00 sec)


mysql> UPDATE book2_table SET author_name = 'マール＝コー＝ポロ' WHERE book_id =30001;
Query OK, 1 row affected (0.01 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> UPDATE book2_table SET sales_flag = 0 WHERE book_id =30001;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> SELECT * FROM book2_table;
+---------+----------------+--------------------+-------+------------+
| book_id | book_name      | author_name        | price | sales_flag |
+---------+----------------+--------------------+-------+------------+
|   10001 | TowPeace       | 三田英一郎         |   420 |          1 |
|   10002 | 名探偵金田二   | 青山ふみや         |   460 |          1 |
|   20001 | 坊ちゃま       | 冬目漱石           |   460 |          1 |
|   30001 | 西方見聞録     | マール＝コー＝ポロ |  1000 |          0 |
|   40010 | 吾輩は犬である | 冬目漱石           |   420 |          1 |
+---------+----------------+--------------------+-------+------------+
5 rows in set (0.00 sec)

mysql> SELECT * FROM book2_table WHERE sales_flag = 1;
+---------+----------------+-------------+-------+------------+
| book_id | book_name      | author_name | price | sales_flag |
+---------+----------------+-------------+-------+------------+
|   10001 | TowPeace       | 三田英一郎  |   420 |          1 |
|   10002 | 名探偵金田二   | 青山ふみや  |   460 |          1 |
|   20001 | 坊ちゃま       | 冬目漱石    |   460 |          1 |
|   40010 | 吾輩は犬である | 冬目漱石    |   420 |          1 |
+---------+----------------+-------------+-------+------------+
4 rows in set (0.00 sec)

mysql> SELECT * FROM book2_table WHERE author_name ='冬目漱石' AND price =420;
+---------+----------------+-------------+-------+------------+
| book_id | book_name      | author_name | price | sales_flag |
+---------+----------------+-------------+-------+------------+
|   40010 | 吾輩は犬である | 冬目漱石    |   420 |          1 |
+---------+----------------+-------------+-------+------------+
1 row in set (0.00 sec)

mysql> DELETE FROM book2_table WHERE book_id =20001;
Query OK, 1 row affected (0.01 sec)

mysql> SELECT * FROM book2_table;
+---------+----------------+--------------------+-------+------------+
| book_id | book_name      | author_name        | price | sales_flag |
+---------+----------------+--------------------+-------+------------+
|   10001 | TowPeace       | 三田英一郎         |   420 |          1 |
|   10002 | 名探偵金田二   | 青山ふみや         |   460 |          1 |
|   30001 | 西方見聞録     | マール＝コー＝ポロ |  1000 |          0 |
|   40010 | 吾輩は犬である | 冬目漱石           |   420 |          1 |
+---------+----------------+--------------------+-------+------------+
4 rows in set (0.00 sec)