Приказ на детали

Посетител или Reviewer може да гледа детали за избраниот бизнис.

Актери

• Посетител
• Reviewer

Реализација

Чекор 1 : Системот го прикажува избраниот бизнис.

select 
        b.business_id,
        b.business_name,
        (
        select
                avg(r.review_stars)
        from
                review r
        where
                r.business_id = b.business_id 
) as business_avg_stars,
        c.category_name,
        a.address_city,
        b.business_hours,
        b.business_descr,
        b.business_phone        
from
        business b
join category c on
        b.category_id = c.category_id
join address a on
        b.business_id = a.business_id
where
        b.business_id = 4

select s.service_name from business_service bs
join service s on
        bs.service_id = s.service_id
where business_id = 4