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SELECT * FROM student
SELECT COUNT(*) FROM student
SELECT Studentnr, Naam, Geslacht FROM student
SELECT Naam, Klas FROM student where Geslacht = 'v'
SELECT * FROM student WHERE Plaats = 'Eindhoven' OR Plaats = 'Son'
SELECT * FROM student WHERE SLB IS NULL
SELECT * FROM student WHERE SLB IS NOT NULL
SELECT * FROM student WHERE IQ >= 100 AND IQ <= 120
SELECT * FROM student WHERE naam LIKE "m%"
SELECT Plaats FROM student // werkt (SELECT DISTINCT plaats FROM student)
SELECT * FROM student WHERE Geboortedatum > '1991-01-01' AND Geboortedatum < '1991-12-31' ('1991')
SELECT * FROM student ORDER BY Plaats
SELECT * FROM student WHERE Geslacht = 'V' ORDER BY Plaats
SELECT Plaats, COUNT(*) AS Aantal FROM student WHERE Geslacht = 'V' GROUP BY Plaats
SELECT Plaats, COUNT(*) AS Aantal FROM student WHERE Geslacht = 'V' // Telt niet per plaats (Slechte code)
SELECT Plaats, COUNT(*) AS Aantal FROM student WHERE Geslacht = 'V' GROUP BY Plaats HAVING COUNT(*) > 1 // OF: HAVING AANTAL > 1
SELECT Provincie, sum(Inwoners) AS Inwoners FROM Inwoner GROUP BY Provincie
SELECT Plaats, sum(Inwoners) AS Aantal FROM Inwoner GROUP BY Plaats HAVING SUM(Inwoners) >= 100000
SELECT Naam FROM student WHERE IQ = (SELECT MAX(IQ) FROM student)
SELECT Naam FROM student WHERE IQ = (SELECT MIN(IQ) FROM student)
SELECT Naam, Geslacht, IQ FROM student WHERE IQ = (SELECT MAX(IQ) FROM student WHERE Geslacht = "V")
SELECT Datum, Naam, Prijs, Email
FROM klant, factuur
WHERE factuur.Knr = klant.Knr
SELECT Naam, SUM(Prijs) AS Prijs
FROM klant, factuur
WHERE factuur.Knr = klant.Knr GROUP BY factuur.KnrGROUP BY factuur.Knr
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