Query for Ex.

--1
SELECT Naimenovanie, Cenanaizrabotka FROM Artikuli ORDER BY Cenamateriali DESC


--2
SELECT e.Ime, d.Imenashivach, d.Artikul, d.Broy, f.Cenamateriali
FROM Zarabotki AS d
JOIN Artikuli AS f
CROSS JOIN  Shivachi AS e
      ON (f.Cenamateriali = f.Cenamateriali AND f.Cenamateriali >5)
ORDER BY Cenamateriali

--3
SELECT e.Ime, e.DataNaZarabotka, d.Artikul, d.Broy, f.Cenanaizrabotka
FROM Zarabotki AS d
JOIN Artikuli AS f
JOIN  Shivachi AS e ON d.Naimenovanie = e.Ime
WHERE d.Naimenovanie = 'Pola' OR d.Naimenovanie= 'Pantalon'
ORDER BY Cenamateriali

--4
SELECT e.Ime, e.Telefon, d.Artikul, d.DataNaZarabotka, f.Artikul, f.Broy
FROM Zarabotki AS d
JOIN Artikuli AS f
JOIN  Shivachi AS e
      WHERE lastname LIKE 'D%'
ORDER BY Ime

--5
SELECT е.Ime, f.Artikul, d.Broi, Cena, d.DataNaZarabotka
FROM Zarabotki AS d
JOIN Artikuli AS f
CROSS JOIN  Shivachi AS e
WHERE d.Zarabotki>100
ORDER BY Zarabotki