Query SQL: http://localhost/phpmyadmin/themes/dot.gifSELECT categories.CategoryName ASCategoria, products.ProductName ASProdotto, AVG( UnitPrice ) AS 'Prezzo Medio'#1054 - Unknown column 'categories.CategoryName' in 'field list'
FROM `products`
WHERE categories.CategoryName ='Condiments';
Messaggio di MySQL: http://localhost/phpmyadmin/themes/dot.gif