Agregate rows in Oracle SQL statement

Question

I have a table of items stored this way :

A1 | B1
A1 | B2
A1 | B3
A2 | B1
A2 | B4
...

And I need to retrieve with a SQL Query :

<         


        

Answer 1

SELECT *
FROM `table1`
ORDER BY `afield` ASC

Use like this