Short quiz

An example of a database model with high availability and high consistency is:

• Key-value

• Relational

• Graph

• Document-oriented

In NoSQL, data is easy to partition because

• denormalized data

• normalized data

• low expectation of quality

• data redundancy

In Redis, if you run:

r.set('userLocation', 'AddressX')'

r.get('userLocation'),

the output will be:

• userLocation

• AddressX

• null

• userFirstLocation

Examples of systems most suited to graph representation are:

• telecommunication networks

• dictionary entries

• student homework documents

• gas pipelines

The relationship between nodes 1 and 2 is an example of:

• directed weighted relationships

• high betweenness

• low betweenness

• bottlenecks in a graph database

This code will return

• two user nodes who tweeted in portuguese

• two first tweets that were tweeted in portuguese

• count of all tweets in portuguese

• two first users who tweeted in portuguese

To feel more comfortable and confident with NoSQL labs, I would like

• to have more detailed explanations during labs

• to learn in small groups with my peers

• to have followed other courses in the past

• to have more time studying on my own