public OrderItemRepository(ISqlDataMapper db) => _db = db;
public EmployeeRepository(ISqlDataMapper db) => _db = db;
public AddressRepository(ISqlDataMapper db) => _db = db;
public ProductTypeRepository(ISqlDataMapper db) => _db = db;
public StoreRepository(ISqlDataMapper db) => _db = db;
public CustomerRepository(ISqlDataMapper db) => _db = db;