Neo4j Interview Questions and Answers
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Ques 41. What is an index in Neo4j?
An index in Neo4j is a data structure that allows for faster retrieval of nodes based on certain properties. It helps optimize queries by enabling quick lookup of nodes with specific property values.
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Ques 42. Explain the difference between a property graph and a triple-store graph.
In a property graph, nodes and relationships can have properties, while in a triple-store graph, the graph is composed of subject-predicate-object triples without attached properties.
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Ques 43. What is the significance of a traversal in Neo4j?
Traversal in Neo4j refers to the process of navigating the graph by following relationships. It is essential for discovering patterns and finding relevant data in the graph.
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Ques 44. How does Neo4j ensure data consistency in a distributed environment?
Neo4j uses the Raft consensus algorithm to achieve distributed consensus and ensure data consistency in a distributed environment.
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