Question

Here’s my data:

Vacation
-has Organizer column

Itinerary

ItineraryPayment
– this is a cross table with Itinerary and LK_Payment. just assume that it’s the name
-has PaymentStatus

What I want to do is to be able to select the organizer column in Vacation and if the ItineraryPayment will be null or has a value depending if the Vacation has an Itinerary linked to it. How do I do this?

Thanks in advance!

Answer 1

Based on what you said:

select v.organizer, (cases i.vacation_id is null then i.value else null end)
from Vacation as v
left join itinerary as i
   on v.vacation_id = i.vacation_id