Database Design Assignment with detailed explanation. 0% plagiarism.
I’m trying to study for my Computer Science course and I need some help to understand this question.
Task in this part is to, given an E-R diagram, identify the entities, attributes, keys, and relationships in the E-R model, and generate a corresponding formal written description in the format discussed in class.
Your tasks are:
ER diagram attached.
1. Given the E-R diagram on the following page, list the names of the entities, attributes, keys and relationships being used.
2. For each entity, give a formal written description, including all of its attributes and its key.
3. For each relationship, give a formal written description of both directions of the relationship, including its cardinality.
Submit a single document containing your written answers as your solution.
Reading
Ch.
Ch.
Ch. 1 (pp. 1-8) The software Engineering Process and Relational Databases – stop at “The Relational Model.“
Ch. 2 (pp.23-42) The Basic ER Diagram: A Data Modeling Schema – stop at “ER Design Methodology” (the one with examples, after “More about Attributes” section.
Ch. 3 (pp.53-63) Beyond the First Entity Diagram – stop at “Chapter Summary.”
Ch. 4 (pp.73-78) Extending Relationships/Structural Constraints – stop at “Many-to-Many (M:N).”
Reading
Note:It requires to submit a file.
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