Test questions

Q1. The four fundamental data constructs of Neo4j are:

1. Table, record, field, and constraint
2. Node, relationship, property, and schema
3. Node, relationship, property, and label
4. Document, relationship, property, and collection

Q2. Normalization is expensive in a graph database model.

1. True
2. False

Q3. If you have a few entities in your dataset that have lots of relationships to other entities, then you can't use a graph database because of the dense node problem.

1. True--you will have to use a relational system.
2. True--but there is no alternative, so you will have to live with it.
3. False--you can still use a graph database but it will be painfully slow for
   all queries.
4. False--you can very effectively use a graph database, but you should take precautions, such as applying a fan-out pattern to your data.