A database of _____ data model is a collection of nodes, each node is either a leaf or interior.
a. semi-structured
b. relational
c. network
d. object-relational
Answer: A
A database of _____ data model is a collection of nodes, each node is either a leaf or interior.
a. semi-structured
b. relational
c. network
d. object-relational
Answer: A