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Head's Up! These forums are read-only. All users and content have migrated. Please join us at community.neo4j.com.

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Beta Opportunity for Neo4j Workspace

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...

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TrevorS by Community Team
  • 922 Views
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About the Neo4j Graph Platform Category

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...

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yolande by Community Team
  • 1164 Views
  • 1 replies
  • 1 kudos

Neo4j Server vs Embedded performance

Hi Neo4j community, When I run the server in stand alone mode and execute a query via the cypher-shell or Neo4j's web UI the query returns relatively fast within 300-400 ms. However if I run the embedded Neo4j server within another Java application, ...

Cypher query traversal evaluator

Hi everyone, We have a requirement in which we need to be able to accept any user defined cypher query, execute the user supplied query in an embedded Neo4j server but have every traversal be evaluated based on certain business logic in our server to...

LAG on the desktop

Hello Community. First I have to say that this is an awesome product. Albeit with some growing pains. The one I am experiencing quite a bit is lag on the Neo4j Browser (3.2.18). Right now, Neo4j is consuming 10.8G of memory! I am not doing anythi...

rmasrani by Node Clone
  • 835 Views
  • 1 replies
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Rename property name

Dear Everyone, I am a newbie (February 2019) transferring my Amazon product database from Filemaker to Neo4J. On the Amazon platform they use an acronym ASIN (Amazon Standard Identification Number). As a newbie I named one of my properties in the Neo...

jeffreylm by Node Clone
  • 10700 Views
  • 4 replies
  • 11 kudos

Convert a property index to a constraint

Is there a way to drop a single property’s contraints + index? RETURN CASE WHEN apoc.schema.node.indexExists('ClientCredentials', ['clientId']) THEN DROP INDEX ON :ClientCredentials(clientId) END; Won't compile since I don't think you can have sub-qu...

UNWIND result as table fields

Hi, I have schema something like this (Actor)-[r:ACTED]->(Movie)-[:type]->(genre) And I tried to build query as like this MATCH (g:genre) WITH collect(g.name) as genres UNWIND genres as genre MATCH (a:Actor)->[:ACTED]->(m:Movie)-[t:type]->(g:genre...

gchokeen by Node Link
  • 2229 Views
  • 3 replies
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Use index on LABEL (not properties)

Hi all! I have a database with 34 labels and i'm using that labels to add properties based on groups. i.e: MATCH (x:FST) set x:GRPONE; MATCH (x:SND) set x:GRPONE; ... MATCH (x:TRD) set x:GRPTWO; ... MATCH (x:FRD) set x:GRPTHREE; ... MATCH (x:GRPONE)...

Remove statement hanging

When running a REMOVE statement in cypher, the query hangs. However, reading the database runs quickly, as expected. Here's what I'm trying to do: MATCH (n:Node) WHERE exists(n.nodeIndex) REMOVE n.attribute When I run MATCH (n:Node) WHERE exists(n....

Connecting nodes to build flight path routines

Please keep the following things in mind: did you search for what you want to ask before posting?please use tags for additional infouse a self-descriptive title Please format code + Cypher statements with the code </> icon, it's much easier to read. ...

contact by Node Link
  • 946 Views
  • 2 replies
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Recursive query with relationship weights

I am building a tool that enables users to recommend sequences of online courses to other users. Off the back of the data generated from that, I would like to generate insights on what the most recommended sequences of courses are. Here's a slice of ...

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Voting on Cypher Improvement Proposals

The openCypher Implementers Group is using the mailing list for decisions from now on. The process is described in a recent email: https://groups.google.com/forum/#!topic/opencypher/SCSRlplb_zc and in greater detail in a slide deck referenced from th...

thobe by Node
  • 730 Views
  • 0 replies
  • 1 kudos

Neo4j-import CSV issue

I created a csv file for importing relationship. My file contains duplicate rows. How could i ignore duplicate rows while creating relationship using neo4j-import? My aim is to achieve merge functionality rather than create, while importing.