ITD 256 Case Study 1 United Broke Artists (UBA) is a broker for not-so-famous artists. UBA maintains a small database to track painters, paintings, and galleries.A painting is created by a particular artist and then exhibited in a particular gallery.A gallery can exhibit many paintings, but each painting can be exhibited in only one gallery.Similarly, a painting is created by a single painter, but each painter can create many paintings.Multiple auctions may take place at one gallery. Use draw.io to create your ERD. Relationships and tables are the only requirement for this case study.

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Asked Feb 4, 2020
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ITD 256 Case Study 1

United Broke Artists (UBA) is a broker for not-so-famous artists. UBA maintains a small database to track painters, paintings, and galleries.

  • A painting is created by a particular artist and then exhibited in a particular gallery.
  • A gallery can exhibit many paintings, but each painting can be exhibited in only one gallery.
  • Similarly, a painting is created by a single painter, but each painter can create many paintings.
  • Multiple auctions may take place at one gallery.

 

Use draw.io to create your ERD. Relationships and tables are the only requirement for this case study.

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Expert Answer

Step 1

Entity-relationship diagram in database:

An entity-relationship diagram represents the important elements of database in a graphical form.

  • Entity-relationship (ER) diagram is the technique used to design the relational database.
  • ER diagram is useful to create the data model, which serves business process. Additionally, the diagram ensures whether data is accurate, well-formed and easy for retrieval.
  • An Entity-relationship diagram is represented in the graphical form that shows only important elements such as:
    • Record types
    • Attributes
    • Relationship between entities
Step 2

ER diagram for given statement:

Computer Science homework question answer, step 2, image 1

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