Introducing Neo4j Workspace We’re inviting you to check out Neo4j Workspace. Workspace combines our most powerful graph tools (Data Importer, Bloom, and Browser) all in one place to help you get up and running with graph databases faster. For experie...
The Neo4j Graph Platform includes the core database and all the technologies surrounding the database, making it useful and accessible for a lot of different users. When asking a question, please select a descriptive label that best matches your quer...
Hello, I set up my own AWS instance using the ami-03de3ac0f7ecf9ece AMI. It's a t2.micro in the eu-central-1 region. The machine starts and i can SSH into it. However, neo4j fails to start. The neo4j logs are empty, but checking /var/log/syslog shows...
Hello everyone, i am trying to build a java application with an embedded neo4j database. I followed the official guide very closely and made nearly no changes to it. In my IntelliJ IDE everything works fine, but when i create an executable jar with m...
I am building a casual cluster in AWS using the official Neo4j 4.0 enterprise AMI (ami-014f0e29bd8f8e168). After provisioning the EC2 instance I am unable to use the CLI tools. ubuntu@ip-10-0-0-11:~$ sudo neo4j --version Error: Could not find or load...
Hi, I wanted to know that is it possible to reduce the number of core servers required to acknowledge before committing a transaction. I know that we need N/2 +1 to acknowledge but can we increase or decrease this number?
Hello. I'm new to neo4j and even databases and servers. Recently i have installed neo4j for desktop. Using python i created some nodes and relationships and currently viewing them in neo4j browser. But now i want to upload them in cloud so some of my...
Hello I am working with Neo4j Community Edition running on EC2 (r5.16xlarge instance type). I am trying to upload data from S3 buckets. I have a number of CSV files (each with 1M records) and I am trying to upload data into Neo4j. I used LOAD CSV ini...
Hi, Newbie here, please be gentle. Background mapping patents and node type include patent company (who is the patent assigned to) classification (how was the patent classified) There are actual 4 types of classification nodes group subgroup section ...
Looks like memrec in Neo4j 4.0 is behaving a bit erratically with an empty database: ./bin/neo4j-admin memrec # Memory settings recommendation from neo4j-admin memrec: # # Assuming the system is dedicated to running Neo4j and has 3.646GiB of memory, ...
Hi @michael.hunger @Thomas_Silkjaer @alicia.frame1 I load data from Elasticsearch, using scrolled CREATE CONSTRAINT ON (cus:Customer) ASSERT cus.CIN IS UNIQUE CREATE CONSTRAINT ON (mer:Merchant) ASSERT mer.MerchantDetailsLocation IS UNIQUE CALL ap...
I have been trying to create a relationship between my data that I have imported using the csv load headers. The below code all works fine: :auto USING PERIODIC COMMIT LOAD CSV WITH HEADERS FROM "file:/Volumes/K_USB_YR4/Uni_Final_Year/Advanced_Databa...
Hello Team, Please guide me or help me to make it easier for me to understand the exists() function using below example. MATCH (a),(b) WHERE exists(a.name) AND NOT exists(b.name) OPTIONAL MATCH (c:DoesNotExist) RETURN a.name AS a_name, b.name AS b_na...
Hi, I can't tell what is wrong with my query. I have a node (KnowledgeEntry) that has an outgoing 'CONTAINS' relationship to multiple nodes of type KnowledgeRecord. The query is used to update a KnowledgeEntry and its Records. Firstly, I want to set ...
I have one label called Person and another one called Dirs. They structure is as follows: Person: Name;Direction; Alfred;Milan; Maria;London; Albert;Paris; Marcos;Milan; Pablo;Madrid; Thomas;London; (etc etc) And the table Dirs contains just the uniq...
I have been looking all over the community a post that could solve me this probelm. I have one table that contains personal information as follows: Name;age;direction; Marc,22;London; Mike;33;Paris; Adam;45;Madrid; Laure;34;Londo (etc etc) LOAD CSV W...
Hello I am working on a huge graph over 1 billion nodes. I have created a subgraph after performing some filters where I am keeping 2 hop distance from particular node . I need to find out the centre node or list of centre nodes using cypher. can yo...
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