Uploaded by teokva

Database questions and answers

Løsningsforslag oblig 7
● What are the two main concepts in a graph data model?
○ Nodes and edges
● Which of the following data models are aggregate oriented?
○ Graph data model is not aggregate oriented.
○ Heap files is an implementation model and not a database
○ Relational data models can be aggregate oriented, but the
term is normally only applied to NoSQL databases.
○ Key-value store is aggregate oriented.
● Name the two forms of a replication distribution model.
○ Master-slave
○ Peer-to-peer
● Can some data queries be processed on the server that houses a
column family store?
○ Yes.
● Does the CAP-theorem apply to the relational data model?
○ It applies to all distributed database models.
● Which of these data forms cannot be a document store?