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 (0.01 sec)
mysql> SELECT name AS Name,
-> CASE category
-> WHEN "Holiday" THEN "Seasonal"
-> WHEN "Profession" THEN "Bi_annual"
-> WHEN "Literary" THEN "Random" END AS "Pattern"
-> FROM sales;
+------------+-----------+
| Name | Pattern |
+------------+-----------+
| Java | Seasonal |
| C | Bi_annual |
| JavaScript | Random |
| SQL | Bi_annual |
| Oracle | Seasonal |
| MySQL | Random |
| Cplus | Random |
| Python | Seasonal |
| PHP | Bi_annual |
+------------+-----------+
9 rows in set (0.00 sec)
Sample example:
SELECT name AS Name,
CASE category
WHEN "Holiday" THEN "Seasonal"
WHEN "Profession" THEN "Bi_annual"
WHEN "Literary" THEN "Random" END AS "Pattern"
FROM sales;