TutorialsPatternsField notes

Notes from the graph & GenAI frontier.

Tutorials, patterns and field notes on building GraphRAG systems, knowledge graphs and LLM agents on Neo4j — written by the people who build them.

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cypher
Cypher

Writing Cypher Queries That Don't Lose Your Data

The query trap that hides your newest data, and the query shape that brings it back.

KOKemi OjogbedeJul 29, 20269 min read
Cypher

SQL to Cypher - 10 Queries You Already Know

You already know how to write these queries. This article shows you what they look like when the joins go away.

JMJeremy MorganJul 29, 202616 min read

Writing and Reading the 2026 World Cup Data with Cypher

Load the 48 teams of the 2026 World Cup into a free AuraDB instance and query them back, learning the core of Cypher from first principles.

AOAlfred OtiJul 28, 20269 min read
Aura

EPIC: The Musical vs Nolan's The Odyssey - One Story, Visualised as a Graph

How does Christopher Nolan's film compare to EPIC: The Musical? I mapped every plot thread and character of Homer's poem in a graph database to find out.

KOKemi OjogbedeJul 17, 202621 min read
Cypher

TIL: Cypher has a format() function for dates and times

A deprecation warning taught me that Cypher now formats dates, times, and durations natively. No APOC required.

ACAdam CowleyJul 16, 20264 min read
Cypher

Replacing your APOC Periodic Iterate with CALL {} IN TRANSACTIONS

apoc.periodic.iterate is deprecated in Cypher 25. Learn how to rewrite your queries with CALL {} IN TRANSACTIONS.

ACAdam CowleyJul 14, 20265 min read