Neo4j
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If you’ve been following along , we got Michael’s Batch Importer , compiled it, created some test data, ran it and saw millions of nodes and relationships loaded into Neo4j. So now we’re ready for our own data. I am going to show you how to get data from a Relational Database like PostgreSQL into a format we can use. If you’re using SQL Server, MySQL, Oracle, etc, the directions will be slightly different, but you’ll get the picture. So let’s say we have an identities table with the following layout: We need to assign reference ids to the items in the tables that will become our nodes.
Batch Importer – Part 2
Hi! I’m happy to announce that the version 0.7 of Bio4j has been released. Check out the wide set of new features, tools and improvements: Expasy Enzyme database integration From now on you have the whole Enzyme DB included in Bio4j. For that, both a new node type and relationship type have been created:
bio4j blog | news and updates on bio4j
NOTE : This post is quite outdated, stuff has changed since i wrote this. While you can somewhat safely ignore the alterations for increased address space of entities, the Property store has changed in a fundamental way. Please find the new implementation here . Ah, the physical layer! Storing bits and bytes on spinning metal, away from the security and comfort of objects and high-level abstractions.
Neo4j Internals: File Storage
