Inhaltsverzeichnis
2.2 Query con Tabelle Collegate
Query SQL sui dati Gateway in Access.
Query Semplice
SELECT * FROM Customers WHERE Country = 'Germany' ORDER BY Name;
Join
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#;
Suggerimento Performance
I filtri vengono inoltrati al server - grandi quantita di dati non vengono caricate localmente.
Aggregazioni
SELECT Country, COUNT(*) AS Conteggio FROM Customers GROUP BY Country;
Zuletzt geändert: il 29/01/2026 alle 23:22