Graph database

Neo4j

A native graph database for connected data.

Stores nodes and relationships natively and queries them with Cypher, making deep traversals — recommendations, fraud rings, network topologies — fast and expressive.

Data model: Graph
Vendor: Neo4j, Inc.
License: GPLv3 / Commercial
Articles: 1

Neo4jBeginner

Why does Neo4j MERGE create duplicate nodes?

MERGE creates the whole pattern if any part is missing, and it can't stop concurrent duplicates without a constraint. How to merge correctly and clean up existing duplicates.

#concurrency#data-modeling#troubleshooting

Tanishk · Nov 5, 20267 min