The CAP theorem states that a distributed data store (database) can only guarantee 2 of the 3 following: consistency, availability, and partition tolerance. What is Consistency? Consistency means that all…
The ability to select a certain percentage of records from a query or database table can be important when working with lots of data. Luckily this is easy to do…
The ability to select a random sample of records from query or database table can be important when working with lots of data. Luckily this is easy to do in…
When working with different graphs in Neo4j, it is often important to count the number of relationships between different nodes. Below are examples of common relationship counting tasks. The data…
Deleting Nodes and Relationships Deleting all nodes and relationships in a Neo4j database is very simple. Here is an example that does just that: MATCH (n) DETACH DELETE n; The…
Neo4j is a popular graph database which provides an easy way to import text files using the Cypher query language and a LOAD CSV clause. LOAD CSV by default expects…
Neo4j is the world’s leading graph database. Fortunately, Neo Technology publishes official Neo4j Docker images which makes it very easy to get started. Once you have Docker running, simply use…