diff --git a/task.sql b/task.sql index 0a66d93..f80cb73 100644 --- a/task.sql +++ b/task.sql @@ -1 +1,39 @@ -# Write your SQL code for the database creation here. Good luck! +CREATE DATABASE IF NOT EXISTS ShopDB; +USE ShopDB; + +CREATE TABLE Products ( + ID INT AUTO_INCREMENT PRIMARY KEY, + Name VARCHAR(50), + Description VARCHAR(100), + Price INT, + WarehouseAmount INT +); + +CREATE TABLE Customers ( + ID INT AUTO_INCREMENT PRIMARY KEY, + FirstName VARCHAR(50), + LastName VARCHAR(50), + Email VARCHAR(50), + Address VARCHAR(100) +); + +CREATE TABLE Orders ( + ID INT AUTO_INCREMENT PRIMARY KEY, + CustomerID INT, + Date DATE, + FOREIGN KEY (CustomerID) REFERENCES Customers(ID) ON DELETE SET NULL +); + +CREATE TABLE OrderItems ( + ID INT AUTO_INCREMENT PRIMARY KEY, + OrderID INT, + ProductID INT, + FOREIGN KEY (OrderID) REFERENCES Orders(ID) ON DELETE SET NULL, + FOREIGN KEY (ProductID) REFERENCES Products(ID) ON DELETE SET NULL +); + +CREATE INDEX Email ON Customers(Email); +CREATE INDEX Name ON Products(Name); +CREATE INDEX CustomerID ON Orders(CustomerID); +CREATE INDEX OrderID ON OrderItems(OrderID); +CREATE INDEX ProductID ON OrderItems(ProductID);