2.2 Upiti s povezanim tablicama

SQL upiti na Gateway podacima u Accessu.

SELECT * FROM Customers
WHERE Country = 'Germany'
ORDER BY Name;

SELECT c.Name, o.OrderDate, o.Total
FROM Customers AS c
INNER JOIN Orders AS o ON c.Id = o.CustomerId
WHERE o.OrderDate > #2024-01-01#;

Filteri se prosljeđuju na server - velike količine podataka se ne učitavaju lokalno.

SELECT Country, COUNT(*) AS Broj
FROM Customers
GROUP BY Country;