Question

guys! I want to know how can I get all data in a row without repetition.

For example, this is my row in a table

| category |
+----------+
|   HTML   |
|   HTML   |
|   HTML   |
|   CSS    |
|    JS    |
|    JS    |

Okay, so for example, I want to echo all category with repetition so the result must be like this

| HTML |
| CSS  |
|  JS  |

Instead of…

| HTML |
| HTML |
| HTML |
| CSS  |
|  JS  |
|  JS  |

How can I do that in a query? Thanks in advance!

Answer 1

SELECT category
FROM yourtable
GROUP BY category

or

SELECT DISTINCT category
FROM yourtable