Question

Let say I have data in sqlite3 like this:

|saleID|data|
|1|a|
|1|b|
|1|c|
|2|x|
|2|y|
|3|t|
|4|x|
|4|y|

I want to count how many times saleID in table appear.
How the sql syntax in sqlite to get result like this?

|saleID|count|
|1|3|
|2|2|
|3|1|
|4|2|

Thanks for coder..

Answer 1

select saleID, count(1) as [count]
from sales
group by saleID