Which artifact most clearly expresses who does what and why, suitable for validating business goals with stakeholders?

Which statement about transaction states is correct based on the course material?

Which is the purpose of Isolation in ACID?

A data model includes a Many-to-Many between Products and Suppliers, plus attributes on the association like contract start date and price tier. What is the best logical structure?

Why is relying on the application layer to detect duplicates risky when inserting new records under concurrency?

Why must database design follow the conceptual → logical → physical sequence rather than beginning with implementation choices?

A company frequently changes how it groups customers for marketing. Which design approach ensures that the data model can evolve without widespread schema rewrites?

When executing an UPDATE statement without a WHERE clause, what is the most likely outcome?

During analysis, what is the key outcome that directly informs conceptual modeling?

Which statement best explains ACID Consistency in this context?