A museum director wants to develop a database system to keep details of its arts collections, events and rental services. Under rental services, the museum will keep information of the customer such as names, addresses, telephone numbers, type of art_collection rented and durations. The museum has a collection of art_objects. Each art_object has a unique id,an artist (if known), a yea r(when it was created, if known) and a title. Art_objects are categorized based on their types. There are two main types: that are paintings and sculptures. The museum allows clients to rent more than one art-objects from different types at one time. Painting has a paint type and style. Sculpture has a material from which it was created,height and weight. Once in a while, the musem will held exhibitions to show its collections to the public.Details of exhibitions like name,start date and end date are kept for future references. Exhibitons are related to all the art objects that were on display on display during the exhibition.

Draw an enhanced entity relationship diagram in Crows Foot notation.