Cypher
Cypher is a declarative graph query language specifically designed for Neo4j, a graph database management system. It allows developers to query, update, and manipulate graph data using intuitive patterns that mirror the structure of nodes and relationships. Its syntax is designed to be human-readable, making it easier to express complex graph traversals and operations compared to traditional SQL or other query languages.
Developers should learn Cypher when working with Neo4j or other graph databases to efficiently handle connected data, such as social networks, recommendation engines, fraud detection, or knowledge graphs. It is essential for tasks like pattern matching, pathfinding, and real-time analytics on highly interconnected datasets, where relational databases might be less performant or intuitive.