| 1 | | Track ( track_id, name, album_id* (Album), media_type_id* (MediaType), genre_id* (Genre), composer, milliseconds, bytes ) |
| 2 | | |
| 3 | | Album ( album_id, title, artist_id* (Artist) ) |
| 4 | | |
| 5 | | Artist ( artist_id, name ) |
| 6 | | |
| 7 | | Genre ( genre_id, name ) |
| 8 | | |
| 9 | | !MediaType ( media_type_id, name ) |
| 10 | | |
| 11 | | Price ( price_id, value, date, track_id* (Track) ) |
| 12 | | |
| 13 | | !InvoiceLine ( invoice_line_id, invoice_id* (Invoice), track_id* (Track), quantity ) |
| 14 | | |
| 15 | | Invoice ( invoice_id, customer_id* (Customer), invoice_date, billing_address, billing_city, billing_state, billing_country, billing_postal_code, total ) |
| 16 | | |
| 17 | | Customer ( customer_id, first_name, last_name, company, support_rep_id* (Employee), personal_info_id* (AddressInfo), contact_id* (Contact) ) |
| 18 | | |
| 19 | | Employee ( employee_id, first_name, last_name, title, reports_to* (Employee), birth_date, hire_date, personal_info_id* (AddressInfo), contact_id* (Contact) ) |
| 20 | | |
| 21 | | !AddressInfo ( address_info_id, address, city, state, country, postal_code ) |
| 22 | | |
| 23 | | Contact ( contact_id, phone, fax, email ) |
| 24 | | |
| 25 | | Playlist ( playlist_id, name ) |
| 26 | | |
| 27 | | !PlaylistTrack ( playlist_track_id, playlist_id* (Playlist), track_id* (Track) ) |
| 28 | | |
| | 1 | == Релации: == |