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Head's Up! Site migration is underway. Phase 1: replicate users.

Events & Programs

Use ChatGPT to Query Your Neo4j Database

I've played around with ChatGPT over the weekend evaluating how well it performed as a Neo4j  interface, where ChatGPT would be used to generate Cypher statements. I'm sharing the experience in my latest blog post.

Graph Databases in Action, Meetup Seattle, Feb 8

We are really excited to welcome David Hughes and Michael Moore to discuss graph databases in action at Neo4j meetup in Seattle. Two Presentations: Rapid App Prototyping Using Streamlit and Neo4j – David HughesWhat is next for Graph Databases? – M...

yolande by Community Team
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Neo4j Live: Graph Data Processing with Cypher - 2 February

While it is easy to learn and understand the Cypher declarative language for querying graph databases, it can be very difficult to master it. As graph databases are becoming more mainstream, there is a dearth of content and guidance for developers to...

Create index spent too much time

I were trying to create index for node's property :      create index process_pid if not exists for (n:Process) on     It take about 10 minutes in 100 million nodes. However, in the case of 640 million nodes, it take 10 hours, what made so diff...

How Cypher changed in Neo4j v5

Planning to upgrade to Neo4j 5? I have written a blog post to help you upgrade the Cypher queries to the latest syntax and ensure a smooth Neo4j upgrade process.    

apoc.periodic.iterate do not work in create large relation

The following code   CALL apoc.periodic.iterate("MATCH(e:Process) MATCH (f:ParentProcess{pid:e.parentID})    RETURN  e,f", "CREATE(f)-[r:create_process_to]->(e)", {batchSize:5000, parallel: true}) YIELD batch   Showed the error message : The allocati...

Peter_Lian_0-1673938369537.png Peter_Lian_1-1673938399918.png

Neo4j Live: Wardley Mapping with Neo4j - 17 January

If we detach ourselves a little from the familiar, purely visual way of working with Wardley Maps, we are presented with new avenues for evaluation. By transferring a Wardley map into a graph database, it is possible to analyse and interpret it with ...

Going Meta - Episode 12 - 16th January

Episode 12 of Going Meta - a series on graphs, semantics and knowledge Jesús Barrasa:  Repository: 16 January 2023 - 7am PST / 10am EST / 4pm GMT / 5...

Resolved! Improve performance of apoc.refactor.mergeNodes

The following is the cypher that I  used to merge the duplicate node ################### MATCH (n:User) WITH n.user AS repeatuser, collect(n) AS nodes WHERE size(nodes) > 1 CALL apoc.refactor.mergeNodes(nodes)  YIELD node RETURN node ################...

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  1. replicate users.
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