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Questions tagged [memgraphdb]

Use this tag for questions related to Memgraph streaming graph database.

Memgraph is an open source graph database built for real time streaming data, compatible with Neo4j. It is an in-memory graph database that uses Cypher as a query language. Memgraph can be extended with graph algorithms that are part of Memgraph Advanced Graph Extensions (MAGE). Graphs can be visualized using Memgraph Lab application.

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How to find multiple shortest path using Memgraph and MAGE?

How can I find multiple shortest path using Memgraph and MAGE? I'm looking for a solution that would use Yen's, Dijkstra's or Star algorithm.
KWriter
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How can I return two lists that are DISTINCT?

How can I return two lists that are DISTINCT? I use UNWIND clause to do that with one, but the problem arises when I want to have two independent lists with DISTINCT elements. Here is my code: WITH [1,1,1,2,2,3]AS list, [2,3,4,5,6,7,1,2,1]as…
KWriter
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What is the easiest way to connect to Memgraph using Node.js?

I want to test the creation of an application that uses Node.js and Memgraph. What is the fastest and easiest way for me to test this type of setup?
KWriter
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Flags in Memgraph for more verbose output

I'm trying to load 10.9M nodes in Memgraph (no edges yet). I have a CSV file with 3 columns: ID, label and description But when loading with: LOAD CSV FROM "/import-data/nodes.csv" NO HEADER AS row CREATE (n:BIKG_node {id: row[0], label: row[1],…
MPesi
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How to load CSV data from a local directory into Memgraph?

How to load CSV data from a local directory into Memgraph and then run the DFS algorithm using Python?
MPesi
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What programing languages does Memgraph support?

From which programming languages can I connect to Memgraph? Which protocol is used? I know that Python is for sure supported since there is GQLAlchemy (a fully open-source Python library). What about other languages?
KWriter
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MemGrapg connection to PowerBI / Tableau

Cam memgraph connect to any of the standard visualization products such as PowerBI , Tableau. N4j seems to have recently launch a enterprise version of PowerBI connector.
Rajat Agarwal
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Can I create a knowledge graph in Memgraph?

I know that knowledge graphs are represented in RDF, but I am wondering whether Memgraph as a graph database can store this kind of data?
KateLatte
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Is it possible to have logically separated graphs within the same Memgraph instance?

Similar to how in a relational database you could have multiple databases on the same DB server, is it possible to save multiple graphs in the same Memgraph instance? If not, what would be the best way to logically separate such graphs?
Ivan Despot
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Docker-compose can not connected to the database

I am new to docker so sorry in advance if this question is going to be stupid or something. I have a docker-compose.yaml which looks like this: version: "3.5" services: platform: image: memgraph/memgraph-platform:2.0.0 container_name:…
Mircea
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How to connect 2 docker compontens within the same docker-compose.yaml

I am new to the docker world and I have some issues regarding how to connect 2 docker services tougher. I am using https://memgraph.com/ as my database and when I am running it locally I am running it like this docker run -it -p 7687:7687 -p…
Mircea
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Memgraph issues while creating credit card dedication system pymgclient error

ERROR [4/9] RUN git clone https://github.com/memgraph/pymgclient /pymgclient && cd pymgclient && python3
Kasim Shah
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Can't serialize due to concurrent operations: memgraph

I am performing mix of queries(reads/write/updates/deletes) to a single memgraph instance. To do the same I am using Java client by Neo4j, all the APIs I am currently using are sync APIs from the driver. Nature of queries in my case is such that I…
Swapnil
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Memgraph support for NetworkX algorithms

Is there an easy way to work with Memgraph & NetworkX? NetworkX has a huge library of algorithms, and I would like to be able to run them on data I have stored inside Memgraph. Also, does Memgraph offer any out of the box graph algorithms? Thank you…
Alex.K
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memgraph service not started after installation on WSL

After installation of debian package of memgraph on windows subsystem for Linux. memgraph is not started automatically. Install debian package for memgraph. Some errors will be shown for chattr like chattr: Inappropriate ioctl for device while…
Azzam Asghar
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