| | 7 | |
| | 8 | * Event ( id_event, name, price, city, date, phone_number, id_user_artist*(User),id_user_organizer*(User)) |
| | 9 | * Gallery (id_event*(Event), style) |
| | 10 | * Theatre (id_event*(Event), director, genre, duration) |
| | 11 | * Museum (id_event*(Event), workshop, history, department) |
| | 12 | * User (id_user, username, email, surname, name, phone_number) |
| | 13 | * Artist (id_user* (User), type_of_artist, id_user_admin*(User)) |
| | 14 | * Admin (id_user* (User)) |
| | 15 | * Organizer(id_user* (User)) |
| | 16 | * Customer (id_user* (User), transaction_account) |
| | 17 | * Review ( id_review, content, rating, created_at,id_user_artist*(User)) |
| | 18 | * Seat(id_ticket*(Ticket), id_event* (Event), id_seat, number) |
| | 19 | * Transaction ( id_transaction, id_invoice, edited_at, name, created_at) |
| | 20 | * Cart(id_cart, total) |
| | 21 | * Ticket( id_ticket, price, date, location, type_of_event, id_event*(Event), id_user_customer*(User), id_cart*(Cart),id_seat*(Seat)) |
| | 22 | * Artist_Exhibits_Gallery (id_event_gallery*(Event), id_user_artist*(User)) |
| | 23 | * Artist_acts_Theatre (id_event_theatre*(Event), id_user_artist*(User)) |
| | 24 | * Event_has_seat (id_event*(Event), id_seat*(Seat)) |
