Re: Database introduction

On 27/01/2014 15:34, Lennart Jonsson wrote:

>> Date:
>> 3/5
>> 3/10
>> 3/5
>>
>>
>> Clearly I didn't understand much..
>
>
> Why should 3/10 be part of the result?

Because I took "the rows whose column values match those in the second table" :-)

> The problem can be formulated as
> "On which dates where fruit exported to both destination 12 and 23?".
>
> As an exercise, try adding and removing destinations and think about how
> that affects the result.
>
>
> /Lennart

Thanks Received on Mon Jan 27 2014 - 16:17:30 CET