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Developer-C 11.1
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CREATE TABLE CUSTOMER ( CustomerID Char(20) NOT NULL, CustomerFirstName Char(20) NOT NULL, CustomerLastName Char(25) NOT NULL, CustomerAddress Char(45) NOT NULL, CustomerEmail Char(100) NOT NULL, CONSTRAINT Customer_PK Primary Key(CustomerID));
CREATE TABLE EMPLOYEE ( EmployeeID VarChar(10) NOT NULL, EmployeeFName VarChar(20) NOT NULL, EmployeeRole VarChar(30) NOT NULL, CONSTRAINT Employee_PK Primary Key(EmployeeID));
CREATE TABLE PRODUCT ( ProductID VarChar(10) NOT NULL, ProductName VarChar(20) NOT NULL, ProductType VarChar(20) NOT NULL, ProductPrice Number(8,2) NOT NULL, CONSTRAINT Product_PK Primary Key(ProductID));
CREATE TABLE SUPPLIER ( SupplierID Char(10) NOT NULL, SupplierName Char(20) NOT NULL, SupplierAddress Char(45) NOT NULL, CONSTRAINT Supplier_PK Primary Key (SupplierID));
CREATE TABLE CUSTORDER ( CustOrderID VarChar(10) NOT NULL, CustOrderDate Date NOT NULL, CustShippingStatus VarChar(20) NOT NULL, SupplierID char(10) NOT NULL, CONSTRAINT CustOrder_PK Primary Key (CustOrderID), CONSTRAINT CustOrder_FK FOREIGN KEY(SupplierID) REFERENCES SUPPLIER(SupplierID) );
CREATE TABLE INVOICE ( InvoiceID Char(20) NOT NULL, TotalItems Int NOT NULL, TotalCost Number(8,2) NOT NULL, SalesDate Date NOT NULL, PaymentType VarChar(10) NOT NULL, ProductID VarChar(10) NOT NULL, EmployeeID VarChar(10) NOT NULL, CustomerID Char(20) NOT NULL, SupplierID Char(10) NOT NULL, CONSTRAINT Invoice_PK Primary Key(InvoiceID), CONSTRAINT Invoice_Product_FK Foreign Key(ProductID) REFERENCES PRODUCT(ProductID), CONSTRAINT Invoice_Employee_FK Foreign Key(EmployeeID) REFERENCES EMPLOYEE(EmployeeID), CONSTRAINT Invoice_Customer_FK Foreign Key(CustomerID) REFERENCES CUSTOMER(CustomerID), CONSTRAINT Invoice_Supplier_FK Foreign Key(SupplierID) REFERENCES SUPPLIER(SupplierID) );