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Another GROUP BY



/*
mysql> select * from sales;
+-----+------------+--------+--------+--------+------+------------+
| num | name       | winter | spring | summer | fall | category   |
+-----+------------+--------+--------+--------+------+------------+
|   1 | Java       |   1067 |    200 |    150 |  267 | Holiday    |
|   2 | C          |    970 |    770 |    531 |  486 | Profession |
|   3 | JavaScript |     53 |     13 |     21 |  856 | Literary   |
|   4 | SQL        |    782 |    357 |    168 |  250 | Profession |
|   5 | Oracle     |    589 |    795 |    367 |  284 | Holiday    |
|   6 | MySQL      |    953 |    582 |    336 |  489 | Literary   |
|   7 | Cplus      |    752 |    657 |    259 |  478 | Literary   |
|   8 | Python     |     67 |     23 |     83 |  543 | Holiday    |
|   9 | PHP        |    673 |     48 |    625 |   52 | Profession |
+-----+------------+--------+--------+--------+------+------------+
9 rows in set (0.00 sec)

mysql> /*Use the following GROUP BY clause to list only the unique cities and st
ates in the cust_city and cust_state columns of the duck_cust table.
mysql> */
mysql> SELECT name, category FROM sales
    -> GROUP BY name;
+------------+------------+
| name       | category   |
+------------+------------+
| C          | Profession |
| Cplus      | Literary   |
| Java       | Holiday    |
| JavaScript | Literary   |
| MySQL      | Literary   |
| Oracle     | Holiday    |
| PHP        | Profession |
| Python     | Holiday    |
| SQL        | Profession |
+------------+------------+
rows in set (0.00 sec)


*/
Drop table sales;
  
CREATE TABLE sales(
    num MEDIUMINT NOT NULL AUTO_INCREMENT,
    name CHAR(20),
    winter INT,
    spring INT,
    summer INT,
    fall INT,
    category CHAR(13),
    primary key(num)
)type=MyISAM;


insert into sales value(1'Java', 1067 200150267,'Holiday');
insert into sales value(2'C',970,770,531,486,'Profession');
insert into sales value(3'JavaScript',53,13,21,856,'Literary');
insert into sales value(4'SQL',782,357,168,250,'Profession');
insert into sales value(5'Oracle',589,795,367,284,'Holiday');
insert into sales value(6'MySQL',953,582,336,489,'Literary');
insert into sales value(7'Cplus',752,657,259,478,'Literary');
insert into sales value(8'Python',67,23,83,543,'Holiday');
insert into sales value(9'PHP',673,48,625,52,'Profession');

select from sales;


/*Use the following GROUP BY clause to list only the unique cities and states in the cust_city and cust_state columns of the duck_cust table.
*/
SELECT name FROM sales
GROUP BY name;


           
       



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