--CREATE TABLE CustomerReviews
--(
--ReviewID INT,
--ReviewContent VARCHAR(255) NOT NULL,
--ReviewGrade INT CHECK (ReviewGrade BETWEEN 0 AND 10),
--AirlineID INT,
--CustomerID INT,
--CONSTRAINT PK_CustomerReviews PRIMARY KEY (ReviewID),
--CONSTRAINT FK_CustomerReviews_Airlines FOREIGN KEY (AirlineID) REFERENCES Airlines (AirlineID),
--CONSTRAINT FK_CustomerReviews_Customers FOREIGN KEY (CustomerID) REFERENCES Customers (CustomerID)
--)

--CREATE TABLE CustomerBankAccounts
--(
--AccountID INT,
--AccountNumber VARCHAR(10) NOT NULL UNIQUE,
--Balance DECIMAL(10,2) NOT NULL,
--CustomerID INT,
--CONSTRAINT PK_CustomerBankAccounts PRIMARY KEY (AccountID),
--CONSTRAINT FK_CustomerBankAccounts_Customers FOREIGN KEY (CustomerID) REFERENCES Customers (CustomerID)
--)