It better to LEFT join rather then NOT IN
On Wed, Sep 30, 2015 at 6:00 PM, Mogens Melander
wrote:
> Maybe not the most optimal, but (probably) the most simple:
>
> SELECT * FROM fruit
> where id not in (select fruit from purchase
> where customer=1);
>
> 1, 'Apples'
> 3, 'Oranges'
>
>
> On 20
Maybe not the most optimal, but (probably) the most simple:
SELECT * FROM fruit
where id not in (select fruit from purchase
where customer=1);
1, 'Apples'
3, 'Oranges'
On 2015-09-30 00:01, Richard Reina wrote:
If I have three simple tables:
mysql> select * from customer;
+++
| ID
