2 guides on this topic
Health data analytics
What each health data analytics question is really asking, how to structure the answer, and where the marks are likely to sit.
DNP 805 Topic 4: structured vs unstructured data
Health data analytics
Explain is the graded word. Sorting your fields into two columns takes a minute; saying what the database can and cannot do with each is the part that demonstrates you understand why the distinction exists.
Validating SQL output and aggregating health data
Health data analytics
Two questions: how you would know a query returned the right answer, and why aggregate at all. The first is about verification rather than about SQL syntax, which is where most answers drift.