Stack Overflow
Stack Overflow

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.

390 questions
0
votes
1 answer

How can I count distinct elements with Memgraph?

I was wondering if Memgraph supports something like COUNT(DISTINCT x) and if not how can I achieve what I'm looking for?
KWriter
  • 1,024
  • 4
  • 22
0
votes
1 answer

Do I need to add IP address to Memgraph instance that runs in docker?

Do I need to provide the docker instance with a real IP address instead of a loopback address 127.0.0.1?
KWriter
  • 1,024
  • 4
  • 22
0
votes
1 answer

How to prevent timeout error when importing large CSV data set into Memgraph?

I'm trying to load a rather large CSV file. It has more than 700K entries and it times out every time when I try to import the data. I am currently using for loop over the data to load it but it's quite time-consuming.
KWriter
  • 1,024
  • 4
  • 22
0
votes
1 answer

Where should I store my CSV files for Memgraph?

Even though I copied the CSV inside the docker, whenever I try to load it, I get an error that says "file not found". Is there a specific directory in which I need to store the CSV?
KWriter
  • 1,024
  • 4
  • 22
0
votes
1 answer

How do I make a query that returns all nodes reachable a given node?

How do I make a query that returns all nodes reachable from a given node along with their distances from there? I'm using Memgraph graph database. I've tried using MATCH (n) RETURN n But it is not what I want.
Taja Jan
  • 942
  • 1
  • 1
  • 11
0
votes
1 answer

Trying to install pymgclient with poetry package manager

I tried to install pymgclient with poetry package manager. However, when installing pymgclient, I get the subsequent error: x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong…
MPesi
  • 212
  • 8
0
votes
1 answer

Is creating/modifying with Cypher possible in Memgraph?

I'm trying to explore Memgraph a bit since I love Cypher. The website mentions querying with Cypher, but I'm wondering whether creating/modifying with Cypher is also possible. The website also mentions a bunch of other cool features, which I may end…
MPesi
  • 212
  • 8
0
votes
1 answer

How to set password in community version of Memgraph?

How can I set the password for a non-enterprise instance of Memgraph? I'm using community edition. I'm not looking for role-based access control. I'd just like to have at least some level of protection.
KWriter
  • 1,024
  • 4
  • 22
0
votes
1 answer

What are the upsides of switching from ArangoDB to Memgraph?

I've used ArangoDB for a long time. I thinking about switching to Memgraph. What are the upsides of Memgraph? Is there a C++ driver that I can use?
KWriter
  • 1,024
  • 4
  • 22
0
votes
1 answer

DateTime object in Memgraph

I am working with Memgraph and I am using dates. I need to have the date in a specific format like "MM:DD:YYYY" and others but what if I just have the DateTime object passed?
MPesi
  • 212
  • 8
0
votes
1 answer

Is there a way to highlight the node in Memgraph

I have two questions. First, is there a way to highlight the node in Memgraph from the WHERE clause so I can find it in the graph? Abd second, is there some documentation on how to (for example) highlight the shortest path between two subreddit…
MPesi
  • 212
  • 8
0
votes
1 answer

How can I create Pulsar stream from Python?

How can I create a Kafka stream directly from Python? I know that I need to use GQLAlchemy but I don't know the exact commands.
KWriter
  • 1,024
  • 4
  • 22
0
votes
1 answer

How can I create Kafka stream from Python?

How can I create a Kafka stream directly from Python? I know that I need to use GQLAlchemy but I don't know the exact commands.
KWriter
  • 1,024
  • 4
  • 22
0
votes
1 answer

How to search graph database using Python?

I want to search graphs inside Python without the burden of having to learn a new query language. I extensively use pydantic library and I wonder if the two can work together.
KWriter
  • 1,024
  • 4
  • 22
0
votes
1 answer

What query do I have to execute to get back all of the wanted results from Memgraph's database?

I have a node in Memgraph's database called Page and a relationship called HasLink. What query do I have to execute to get back all of the pages that are connected with relationship HasLink?
MPesi
  • 212
  • 8
1 2 3
…
25 26