An explain of the two statements yields the same plan,
anybody knows if they are actually translated in the same plan?
Claudio
Ian P. Christian wrote:
> 2009/3/29 Oscar <ro4tub@stripped>:
>
>> Hi all-
>>
>> I want to know what the difference between IN and OR is under the hood.
>>
>> select * from dummy_table where id in (2, 3, 4, 5, 6, 7);
>>
>> select * from dummy_table where id=2 or id=3 or id=4 or id=5 or id=6 or
>> id=7;
>>
>
> I've have thought once the query is compiled, they are the same. What
> might cause a difference in performance is doing id > 2 and id <= 7.
>
> Test it on a large dataset and let us know :)
>
>
