Neo4j 面试题与答案
问题 36. What is Neo4j?
Neo4j is a graph database management system that is designed for efficient storage and retrieval of graph-structured data.
问题 37. Explain the basic components of Neo4j.
The basic components of Neo4j include nodes, relationships, and properties. Nodes represent entities, relationships define connections between nodes, and properties store key-value pairs associated with nodes and relationships.
问题 38. What is a Cypher query in Neo4j?
Cypher is a query language specifically designed for querying graph databases. It uses ASCII art to represent patterns in the graph and is used to retrieve and manipulate data in Neo4j.
问题 39. How are relationships represented in Neo4j?
Relationships in Neo4j are represented as typed, directed edges between nodes. They have a type, direction (either outgoing or incoming), and can have properties.
问题 40. Explain the concept of labels in Neo4j.
Labels are used to categorize nodes in Neo4j. A node can have one or more labels, and labels are used to group nodes together based on common characteristics.
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