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SELECT * FROM komputery ORDER BY nazwa ASC
2.Pokaż 5 najdroższych komputerów.
SELECT * FROM komputery ORDER BY cena DESC LIMIT 5
3.Pokaż wszystkie komputery, których kolor zaczyna się na literę "S"
SELECT * FROM komputery WHERE kolor LIKE 'c%'
4.Pokaż liczbę wszystkich komputerów.
SELECT COUNT(id_komputera) AS "ilość komputerów" FROM komputery
5.Pokaż najwyższą i najniższą cenę.
SELECT MIN(cena), MAX(cena) FROM komputery
6.Pokaż średnią cenę.
SELECT AVG (cena) AS "średnia" FROM komputery
7.Pokaż wszystkie niepowtarzające się kolory.
SELECT DISTINCT kolor FROM komputery
8.Pokaż komputery droższe niż 500 tańsze niż 1000.
SELECT cena FROM komputery WHERE cena BETWEEN 500 AND 1000
9.Pokaż ile jest komputerów danego koloru.
10. Ile jest danego koloru ale tylko dla komputerów droższych niż 1000zł.
11. Grupowanie po kolorach ale tylko tych których jest więcej niż 3.
12. Wyświetl wszystkie komputery z ceną oryginalną i z ceną większą niż 7%.
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