Use an IF function to evaluate which designs sell over 500 units during the winter sales quarter : IF « Function « SQL / MySQL

1. SQL / MySQL
2. Function
3. IF

Use an IF function to evaluate which designs sell over 500 units during the winter sales quarter

       
mysql>
mysql>
mysql> CREATE TABLE duck_sales(
    ->     design_num MEDIUMINT NOT NULL AUTO_INCREMENT,
    ->     design_name CHAR(20),
    ->     winter_sales INT,
    ->     spring_sales INT,
    ->     summer_sales INT,
    ->     fall_sales INT,
    ->     design_category CHAR(13),
    ->     primary key(design_num)
    -> );
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql> insert into duck_sales(design_name, winter_sales, spring_sales, summer_sales, fall_sales, design_category)values
    -> ("Duck",1067,200,150,267,"Holiday"),
    -> ("Mac",970,770,531,486,"Profession"),
    -> ("Duckula",53,13,21,856,"Literary"),
    -> ("iPhone",782,357, 168, 250,"Profession"),
    -> ("HTML",589,795, 367, 284,"Holiday"),
    -> ("SQL",953,582, 336, 489,"Literary"),
    -> ("Sherlock_Duck",752,657, 259, 478,"Literary"),
    -> ("XML",67,23, 83 ,543,"Holiday"),
    -> ("Database",673,48,625,52,"Profession");
Query OK, 9 rows affected (0.00 sec)
Records: 9  Duplicates: 0  Warnings: 0

mysql>
mysql>
mysql> SELECT design_name AS Name, design_category AS Category,
    -> IF(winter_sales>500, "Sells", "Slow") AS Trend
    -> FROM duck_sales;
+---------------+------------+-------+
| Name          | Category   | Trend |
+---------------+------------+-------+
| Duck          | Holiday    | Sells |
| Mac           | Profession | Sells |
| Duckula       | Literary   | Slow  |
| iPhone        | Profession | Sells |
| HTML          | Holiday    | Sells |
| SQL           | Literary   | Sells |
| Sherlock_Duck | Literary   | Sells |
| XML           | Holiday    | Slow  |
| Database      | Profession | Sells |
+---------------+------------+-------+
9 rows in set (0.00 sec)

mysql>
mysql> drop table duck_sales;
Query OK, 0 rows affected (0.00 sec)

   
    
    
    
    
    
    
  

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