What Is Amazon Neptune? AWS's Managed Graph Database Explained

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Amazon Neptune is a fully managed graph database service from AWS, built for applications that rely heavily on connected data and complex relationships. Unlike traditional relational databases that store data in rows and columns, Neptune uses nodes, edges, and properties to represent entities and their relationships. This makes it well-suited for use cases such as social networks, recommendation engines, fraud detection, and knowledge graphs, where querying connections is central to the application. Neptune supports multiple query languages, including Gremlin and openCypher for property graphs, and SPARQL for RDF graphs. Its graph-oriented model allows developers to map real-world relationships directly, simplifying queries that would otherwise require multiple joins across many tables.

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