neo4j Database of Knowledge map Learning (III.) _neo4j

The road to learning is long and arduous.

1.NEO4J is a relational database, also can be said to be a graph database, its principle is to store by node and attribute, after downloading Community Edition database on NEO4J official NET, can install operation.

Small demo of 2.neo4j database.

2.1

As shown in the figure, enter: Play movies, click on the right start symbol

2.2

When you finish 2.1, you will return the following code and click on the code section to automatically copy the code into the input box. Click the start symbol again. The database will be set up for operation.

2.3

Take one example as follows:

MATCH (p)-[:acted_in]-> (n) where n.title= "The Matrix" return p,n

This is a jcyper language, meaning that query p is acted_in with N, and the title of n is all p of "the Martix", and Q

Returns directly to the chart as shown

So far, a small example ran out.