Neo4j

eulervicente · 07-22-2020

Good morning! I have a request from a user to highlight the filtered nodes in the graph in a different color from the other nodes. To do this, I thought about changing the label of the filtered nodes in the graph view, in order to differentiate them ...

eulervicente · 03-05-2020

Hello friends! I would like some tips about an ETL process that I'm working for. I have create a Cypher statment using APOC to read data from SQL SERVER and write it in Neo4j. The statment is working fine, but I have to run it manually every time tha...

eulervicente · 11-14-2019

Hi! Good morning friends. I'm trying to find out what is the last nodes that have a relationship created for another node in my project. For that I wrote this Cypher statment: MATCH (CPF1:PF)-[:PARENTE_DE]->(CPF2:PF) return CPF1.CPF ORDER BY CPF1.CPF...

eulervicente · 07-27-2020

Hi! Thank you for your support! I have tried to create a virtual node using apoc.create.vNode, but the virtual node was created without any relationship. I'd like to keep all relationships between the virtual and real nodes. I wrote a Cypher like tha...

eulervicente · 03-11-2020

Hello Koji! Thanks! It's working now. I found out an alternative way to do this same task using an APOC procedure: apoc.cypher.runFiles. call apoc.cypher.runFiles(["ETL_NodeLicitacao.txt","ETL_RelacaoLicitou.txt","ETL_RelacaoCotou.txt"],{}) yield row...

eulervicente · 03-10-2020

Hi Koji! Thank you very much! Could you help me to do a version for Windows ? I am trying to do it but without success. I run the batch file but nothing happens. I have tested the Cypher statment in the Neo4j web browser and it is working correctly. ...

eulervicente · 11-18-2019

Hi Micheal! Thank you for you reply! I've already created this index. It's already online. I'm gonna try to explain my cenario. I'm running a huge ETL process (about 1 billion rows) migrating data from SQL Server to Neo4j. The (:PF) nodes are already...

eulervicente · 11-14-2019

Thank you Andrew! The machine has 24gb RAM and 12 processors. Pagecache.size=16gb. heap.initial_size=2g. heap.max_size=4g. The PROFILE of the query takes almost 20 minutos to run. Too slow. The cypher statment is well written, right? I create a index...

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