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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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Where can I find the source code for Memgraph Lab?

I've found Memgraph repository at https://github.com/memgraph/memgraph but I don't see the Memgraph Lab code in it. Where can I find it? I've tried to use GitHub search to locate the code but I couldn't find it.
Zet Hund Pet
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Using FOREACH caluse in Memgrpah 2.1

I'm running Memgrpah 2.1 (Platform docker image) and I can't get FOREACH caulse for me to work: FOREACH ( a IN [1, 2, 3] | CREATE (n {age : a})) MATCH (n) RETURN n.age What am I missing?
Taja Jan
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What are benefits of having custom Memgraph functions?

With MAGE there is a lot of graph algorithms I can implement and run within Memgraph. Why and when would that not be sufficient? If I would need to create my own function which programing languages are supported?
Taja Jan
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Can I extend Memgraph with a custom function?

I see that Memgraph has a bunch of functions include, but how do I define my own function and use it inside Memgraph? My goal is to inject my custom function that that I can use expression.
GrandMel
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What the difference between Cypher procedure and function in Memgraph?

I see that Cypher has both procedures and functions. What is the difference between those two in Cypher implementation in Memgraph?
Taja Jan
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Can I use case insensitive regex in Cypher query?

I am using Memgraph Platform 2.6.4 and I can't seem to use (?i) for case insensitive regular expression. It throws "Invalid special open parenthesis" error. What is the best way to approach this?
KateLatte
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Finding an alternate route using Cypher and Memgraph

I have a situation where I have several data centers spread across large distances. I have a main site and a backup site. There are several routes between main and backup site. Based on conditions (connectivity issues) I need to decide which route…
KWriter
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Cypher query for finding out content and connectedness as security measure

I have a node that represents a computer infected with malware. I want to see if other computers (based on log files) have had some interaction with the infected computer. I have already transferred and mapped log files into the Memgraph…
KWriter
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"Cannot bind to socket on endpoint {}." error within Memgraph

When binding to Memgraph I get the error Cannot bind to socket on endpoint {}. How can I avoid this error?
Taja Jan
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How can I get the data based on the node ID in Memgraph?

I'm trying to figure out how to do some things in Memgraph. I'd like to fetch data based on a node ID. How can I get something like (:label {nodeid: __})?
KWriter
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Connecting to Memgraph database from PHP

How can I connect to Memgraph from my PHP app? Is it similar to the was that I connect MySQL database?
KWriter
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How to manipulate Kafka streams from Memgraph mgconsole?

How can I manipulate Kafka streams from mgconsole? By manipulation I mean to start/pause/stop/delete them.
KWriter
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I don't have fixed IP address, how can I let others access my database?

I run Memgraph Platform on my laptop inside Docker container. When I'm at the office my colleague can access it, but when I work from home he can not get to the database. I don't have fixed IP address, and my ISP doesn't allow me to do port…
KWriter
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Can the mgconsole history file be disabled?

Is it possible to disable mgsconsole history file? At the moment I use simple script and corn job to delete mgconsole history file from time to time. I'd like to disable history for mgconsole. Can this be done?
GrandMel
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