Question

I have the following table structure and i want count all room types from Reservation table.
I want to have something like this:
Roomtype :double 3
:simple 5
It is possible to make this?

I only managed to count all rooms from reservation table

SELECT COUNT(Room_ID)AS NumarRezervari
FROM dbo.Reservation WHERE MONTH(Data_Check_in)=5

Answer 1

SELECT Room_Type, COUNT(*) AS NumarRezervari
FROM   dbo.Reservation re
JOIN   dbo.Room ro ON ro.RoomID = re.RoomID
JOIN   dbo.Room_Type rt ON rt.Room_Type_ID = ro.Room_Type_ID
WHERE  MONTH(re.Data_Check_in) = 5
GROUP  BY Room_Type