🧠 Neo4j Flashcards
🌐 What is Neo4j?
Neo4j is a high-performance, native graph database built to store and query highly connected data.
🔗 What data model does Neo4j use?
Neo4j uses a property graph model where nodes, relationships, and properties form the structure.
🛠️ What query language is used in Neo4j?
Cypher is the declarative query language used to perform graph operations in Neo4j.
📈 What are common use cases for Neo4j?
Neo4j is used for fraud detection, recommendation engines, knowledge graphs, and social networks.
🧪 Can Neo4j perform complex joins?
Yes, Neo4j excels at joins and deep relationship queries that are expensive in relational databases.
🚀 Is Neo4j cloud-native?
Neo4j offers Aura – a fully managed cloud DBaaS – and can also be deployed on AWS, GCP, Azure.
📚 What is a node in Neo4j?
A node is an entity or object in a graph, like a person, place, or event, with properties.
🔄 What is a relationship in Neo4j?
A relationship connects two nodes and can have properties, directions, and labels.
🔍 What is pattern matching in Cypher?
Pattern matching lets you find specific node and relationship configurations using Cypher syntax.
🎯 How is indexing handled in Neo4j?
Neo4j supports automatic indexing of nodes/relationships for performance, using b-trees or full-text.