Neo4j Certified Professional case studies
Neo4j Certified Professional · Put your knowledge to work in context.
The Neo4j Certified Professional credential validates practical working knowledge of the Neo4j platform - Cypher, graph data modeling, data importing, schema management, and driver-backed application development. It is aimed at developers and data professionals who want to prove they can design, query, and build applications on Neo4j. The exam is a free, 60-minute online test with 80 questions and an 80% pass mark. It is open book, so Neo4j documentation is allowed during the exam. The Neo4j Certified Professional case studies are 5 cases and about 2,871 words.
1Inflated Transfer Counts with OPTIONAL MATCH
A payment-risk team runs Neo4j 5.26 on a three-node cluster. The graph has 3.2 million :Account nodes, 900,000 :Device nodes, 14 million :TRANSFERRED TO relationships with amount and ts, and 2.1 million :USES relationships.
512 words, about 3 min2Choosing Indexes for Category and Price Filters
A marketplace graph has 40 million :Product nodes and 1.5 million :Category nodes. Each product is attached to one category by an :IN CATEGORY relationship.
614 words, about 3 min3Connection Pool Pressure in a 60-Pod Service
A Java service runs on 60 Kubernetes pods and connects with Neo4j Driver 5.18 to a Neo4j 5.20 Enterprise cluster with 3 primaries and 6 secondaries. Each pod configures maxConnectionPoolSize=100 and connectionAcquisitionTimeout=5s.
537 words, about 3 min4Supernode in a Social Feed and Likers Query
A reading app stores 2 million :User nodes, 30 million :Post nodes, 400 million :LIKED relationships with an at timestamp, and about 360 million :FOLLOWS relationships. The average user follows 180 accounts, but one celebrity has 5 million followers.
611 words, about 3 min5Initial Load and Repeatable Delta Import
A retailer is migrating to Neo4j 5.26 Enterprise on a single 64 GB, 16-core server. Source CSVs contain 12 million Customer rows, 45 million Order rows, and 90 million OrderLine rows, about 8 GB total.
597 words, about 3 min