Neo4j

Andrea · 03-29-2022

Hi all, I would like to know if and how I can solve a problem. Suppose to have a node (or a relationship) and you want to add a "virtual" property on it instead of persist it on db. To keep it simple suppose you have a node n with two numerical prope...

Andrea · 01-18-2021

Hi all, why these two Cypher statements returns different results? MATCH ()-[r:REL]->() RETURN r.property, count(*) MATCH ()-[r:REL]-() RETURN r.property, count(*) The first cypher statement use a directed relationship, this is the only difference. n...

Andrea · 03-30-2022

Thanks Gary! I hope there's a solution out there Otherwise I had to persist the property...

Andrea · 03-30-2022

Thanks Gary! I wasn't aware of APOC trigger till today! Unfortunatly I need trigger "on read"...

Andrea · 03-29-2022

Thanks Gary, I'm aware of virtual entities. I need something different. I would like this property with just a return n(ode). I would like I'm able to define this property once for all and not have the needing to write a cypher query. More or less I ...

Andrea · 01-18-2021

Thank you Dana! I'm sorry for the misleading title...even if it was exactly what I want to do...just count the distinct values of a relationship property  According to what you wrote it seems that all relationship are counted twice in an undirected ...

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Define "logical" property for entities

Count distinct value for a relationship property

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