Med betinget aggregering:
SELECT
SUM(price < 15) `Less than 15`,
SUM(price >= 15 AND price <= 30) `Between 15 and 30`,
SUM(price > 30) `More than 30`
FROM `table`
WHERE is_active=1
I MySql et boolesk udtryk som price < 15 evalueres som 0 for false eller 1 for true .
Se demoen
.
Resultater:
| Less than 15 | Between 15 and 30 | More than 30 |
| ------------ | ----------------- | ------------ |
| 1 | 1 | 1 |