Questions tagged as 'neo4j'

Tagged questions
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Neo4j - cluster operation

Does anyone know how the Neo4j cluster keeps keep alive? I know that it has the parameters ha.tx_push_factor (amount of slaves that the master forces commit ) and ha.pull_interval that the master pulls the master transa...
asked by 29.09.2016 / 16:45
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What are the appropriate scenarios for graph-based databases

Lately I've been studying the graph-based Neo4j database. Given that the vast majority of current applications use traditional relational databases, I ask: What are the appropriate scenarios for using this type of database? What would...
asked by 21.09.2017 / 02:58
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Import PostgreSQL .sql into Neo4j

I have a PostgreSQL backup .sql file and I want to import this file into Neo4j (database in graph). How do I?     
asked by 14.03.2016 / 14:34
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Problems with accentuation in Neo4j

How can I, for example, do a search by nodes that contains an attribute with the value of 'jose' and return the nodes that have this attribute with the 'jose' , 'josé', or 'josê' ? That is, to make the searches ignore accentuation and or ce...
asked by 16.05.2018 / 11:59
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How to clean the properties of neo4j after deleting all data?

I was doing a test with neo4j and of course I found myself in front of many nodes and then I decided to clean everything, so I could start working with an application. Then I ran the following command: match ( n ) detach delete n He then cl...
asked by 24.08.2016 / 22:56
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How to get the names of cities, using neo4j and PHP?

I followed this tutorial to do the following: echo "<h2>Encontre a rota mais curta da cidade A para a cidade B</h2>"; $query4 = 'MATCH p = (a {name: \'Palo Alto\'})-[r*2..5]->(b {name: \'Santa Clara\'}) WHERE NOT(a--&...
asked by 20.09.2017 / 11:23
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Change color of a node in a graph of Neo4J

I created an example graph in Neo4J with one parent and two children. I would like to know how to change the color of all nodes that have level equal to 1. WhenIclickonthenodeitappearsatthebottomtomodifythesizeandcolorbutthechangeaffectsalla...
asked by 26.07.2017 / 19:38
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Query Problem in Repository Spring Data Neo4j

I'm implementing a @Query in a @Repository with Spring Data Neo4j. Strangely the query that squeezes directly into the Neo4j Browser is identical to that presented in the console. As below: Query Neo4j in Browser: MATCH (u:User)-[v:VISITS]-...
asked by 13.11.2018 / 19:01
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Use in neo4j WHERE clauses conditioning if value exists

Good afternoon guys! I have a small question and I have not yet found an elegant answer in the neo4j documentation. I am putting together an endpoint with several combination parameters for fetch, so it is possible that some of the paramet...
asked by 10.10.2018 / 17:10
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I can not import dragging file on Neo4j

Hello, I'm using Neo4j Desktop and am trying to import a script file by dragging and dropping into the 'Import' area of the Neo4j Browser. However, when you drag the file there, the mouse pointer continues with the lock symbol, as if you coul...
asked by 26.06.2018 / 14:16