| | 40 | * Book-Author ( **__bookid__, __authorid__ ) |
| | 41 | |
| | 42 | * Book-Publisher (**__bookid__, __publisherid__) |
| | 43 | |
| | 44 | * Customer-Order (**__customerid__, __orderid__) |
| | 45 | |
| | 46 | * Review-Book (**__reviewid__, __bookid__) |
| | 47 | |
| | 48 | * Review-Customer (**__reviewid__, __customerid__) |
| | 49 | |
| | 50 | * Recommendation-Book (**__recommendationid__, __bookid__) |
| | 51 | |
| | 52 | * Recommendation-Customer (**__recommendationid__, __customerid__) |
| | 53 | |
| | 54 | * Feedback-Customer (**__feedbackid__, __customerid__) |
| | 55 | |
| | 56 | * Cart-Customer (**__cartid__ , __customerid__) |
| | 57 | |
| | 58 | * Cart-Book (**__cartid__, __bookid__) |
| | 59 | |
| | 60 | * Wishlist-Customer (**__wishlistid__, __customerid__) |
| | 61 | |
| | 62 | * Wishlist-Book (**__wishlistid__, __bookid__) |
| | 63 | |
| | 64 | * Payment-Order (**__paymentid__, __orderid__) |
| | 65 | |
| | 66 | * Shipping-Order (**__shippingid__ , __orderid__) |
| | 67 | |
