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select * from phones;
-- Baha Erbaş'ın Telefon Numaraları Ne ?
SELECT u.id, u.fn, u.ln, p.tel
FROM phones p, users u
WHERE
u.fn = 'Baha' and
u.ln = 'Erbaş' and
u.id = p.user_id;
-- Telefon numarası olan kişilerin bilgileri
select distinct(u.id), u.fn, u.ln
from users u, phones p
where u.id = p.user_id;
select u.*
from users u, phones p
where u.id = p.user_id
group by u.id;
select distinct(fn),users.id from users, phones
select * from users, phones group by (users.fn);
-- Bir Filmin, 1 yönetmeni olabilir
-- Fakat bir yönetmen, birden çok filmi yönetmiş
-- olabilir
create table movies
(
id integer primary key AUTOINCREMENT,
ad text,
yonetmen_id integer
);
create table yonetmenler
(
id integer primary key autoincrement,
ad text
);
-- N - N
-- Bir filmin birden çok yönetmeni olabilir
-- bir yönetmen birden çok film yönetebilir
create table filmler
(
id integer primary key autoincrement,
ad text
);
create table yonetmenler
(
id integer primary key autoincrement,
ad text
);
create table directed_by
(
id integer primary key autoincrement,
film_id integer,
yonetmen_id integer
)
1,1,2
1,2,2
1,3,2
2,1,6
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