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SELECT zamowienia.zamowienie_id, zamowienia.wartosc,zamowienia.data
FROM klienci
INNER JOIN zamowienia ON klienci.klient_id=zamowienia.klient_id
WHERE klienci.nazwisko='Jakub Sołoducha'
SELECT zamowienia.zamowienie_id, zamowienia.wartosc,zamowienia.data
FROM klienci
INNER JOIN zamowienia using (klient_id)
WHERE klienci.nazwisko='Jakub Sołoducha'
cw2
SELECT zamowienia.zamowienie_id, zamowienia.wartosc,zamowienia.data
FROM klienci
INNER JOIN zamowienia ON klienci.klient_id=zamowienia.klient_id
WHERE klienci.nazwisko!='Jakub Sołoducha'
SELECT zamowienia.zamowienie_id, zamowienia.wartosc,zamowienia.data
FROM klienci
INNER JOIN zamowienia using (klient_id)
WHERE klienci.nazwisko!='Jakub Sołoducha'
cw3
Select klienci.nazwisko,zamowienia.zamowienie_id,zamowienia.wartosc,zamowienia.data
FROM zamowienia
INNER JOIN klienci on klienci.klient_id=zamowienia.klient_id
ORDER BY wartosc desc;
Select klienci.nazwisko,zamowienia.zamowienie_id,zamowienia.wartosc,zamowienia.data
FROM zamowienia
INNER JOIN klienci USING (klient_id)
ORDER BY wartosc desc;
cw4
Select klienci.nazwisko,zamowienia.zamowienie_id,zamowienia.wartosc,zamowienia.data
FROM klienci
INNER JOIN zamowienia ON klienci.klient_id=zamowienia.klient_id
ORDER BY wartosc
LIMIT 3;
Select klienci.nazwisko,zamowienia.zamowienie_id,zamowienia.wartosc,zamowienia.data
FROM klienci
INNER JOIN zamowienia using (klient_id)
ORDER BY wartosc
LIMIT 3;
cw5
SELECT klienci.nazwisko,zamowienia.zamowienie_id,zamowienia.wartosc,zamowienia.data
FROM klienci LEFT JOIN zamowienia
on klienci.klient_id=zamowienia.klient_id
cw6
SELECT klienci.nazwisko,zamowienia.zamowienie_id,zamowienia.wartosc,zamowienia.data
FROM klienci LEFT JOIN zamowienia
on klienci.klient_id=zamowienia.klient_id
WHERE zamowienie_id is null;
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