Graph Database
Also written as Neo4j
A database that stores data as nodes and the relationships between them, optimized for queries about how things connect — like social networks, recommendation engines, or fraud detection — rather than rows and columns.
Think of it like
Like a corkboard with pins and string connecting related photos, versus a filing cabinet of individually labeled folders — built specifically to make the connections themselves easy to trace.
Junior or senior?
Junior sounds like
Reached for a graph database because it seemed newer or more interesting.
Senior sounds like
Can describe the specific relationship query that was slow or awkward in a relational database and how a graph database made it easy.
Ask them
“What kind of query was slow or awkward in a relational database that a graph database made easy?”