Graph databases are composed of ________.
A) Nodes
B) Properties
C) Edges
D) A and C
E) A, B and C
Question 2
A referential integrity constraint policy that insures that foreign key values in a table are correctly maintained when there is a change to the primary key value in the parent table is called ________.
A) incremental updates
B) incremental deletes
C) cascading updates
D) cascading deletes
