Курсовая работа: База данных "фруктовый сад"

SELECT clients. clientName AS [Покупатели, не совершавшие покупки]

FROM clients

WHERE ID_client NOT IN (SELECT DISTINCT ID_client FROM Selling)

ORDER BY clientName;

Запрос на отчет по покупкам:

SELECT dilers. dilerName AS Поставщик, products. name AS Товар, buying. quantity AS [Количество товара], buying. sum*buying. quantity AS [Сумма сделки], buying. date AS [Дата сделки]

FROM (buying INNER JOIN dilers ON buying. ID_diler=dilers. ID_diler) INNER JOIN products ON buying. ID_product=products. ID_product;

Запрос на отчет по продажам:

SELECT clients. clientName AS Клиент, products. name AS Товар, selling. quantity AS [Количество товара], selling. sum*selling. quantity AS [Сумма сделки], selling. date AS [Дата сделки]

FROM ( (selling INNER JOIN clients ON selling. ID_client=clients. ID_client) INNER JOIN shelfs ON shelfs. ID_shelf=selling. ID_shelf) INNER JOIN products ON shelfs. ID_product=products. ID_product;

Запрос на поставщиков и закупки:

SELECT dilers. dilerName AS Поставщик, COUNT (ID_buying) AS [Количество сделок], SUM (buying. quantity*buying. sum) AS [Сумма всех сделок]

FROM dilers INNER JOIN buying ON dilers. ID_diler=buying. ID_diler

GROUP BY dilers. ID_diler, dilers. dilerName;

Запрос на поставщиков без поставок:

SELECT dilers. dilerName AS [Поставщики, не совершавшие поставок]

FROM dilers

WHERE ID_diler NOT IN (SELECT DISTINCT ID_diler FROM buying)

ORDER BY dilerName;

Запрос на продажи с клиентами:

SELECT clients. clientName AS Покупатель, COUNT (ID_selling) AS [Количество сделок], SUM (selling. quantity*selling. sum) AS [Сумма всех сделок]

FROM clients INNER JOIN selling ON clients. ID_client=selling. ID_client

GROUP BY clients. ID_client, clients. clientName;

Запрос на стоимость товаров на складе:

SELECT SUM (price*quantity) AS [Стоимость всех товаров на складе]

FROM shelfs;

Запрос на вставку обновлений продажи:

INSERT INTO selling (ID_client, ID_shelf, quantity, [sum])

SELECT ID_client, (SELECT ID_shelf FROM shelfs WHERE ID_shelf= (SELECT MAX (ID_shelf) FROM shelfs)), quantity, sum