Neo4j – Where Clause
Like SQL, Neo4j CQL has provided a WHERE clause in the CQL MATCH command to filter the results of a MATCH Query. Syntax Following is the syntax of the WHERE…
Neo4j – Optional Match Clause
The OPTIONAL MATCH clause is used to search for the pattern described in it while using nulls for missing parts of the pattern. OPTIONAL MATCH is similar to the match clause, the…
Neo4j – Match Clause
In this chapter, we will learn about Match Clause and all the functions that can be performed using this clause. Get All Nodes Using Match Using the MATCH clause of…
Neo4j – Foreach Clause
The FOREACH clause is used to update data within a list whether components of a path or result of aggregation. Syntax Following is the syntax of the FOREACH clause. MATCH p =…
Neo4j – Remove Clause
The REMOVE clause is used to remove properties and labels from graph elements (Nodes or Relationships). The main difference between Neo4j CQL DELETE and REMOVE commands is − DELETE operation…
Neo4j – Delete Clause
You can delete nodes and relationships from a database using the DELETE clause. Deleting All Nodes and Relationships Following is the query to delete all the nodes and the relationships…
Neo4j – Set Clause
Using the Set clause, you can add new properties to an existing Node or Relationship, and also add or update existing Properties values. In this chapter, we are going to…
Neo4j – Merge Command
MERGE command is a combination of CREATE command and MATCH command. Neo4j CQL MERGE command searches for a given pattern in the graph. If it exists, then it returns the…
Neo4j CQL – Creating a Relationship
In Noe4j, a relationship is an element using which we connect two nodes of a graph. These relationships have direction, type, and the form patterns of data. This chapter teaches…
Neo4j CQL – Creating Nodes
As discussed, a node is a data/record in a graph database. You can create a node in Neo4j using the CREATE clause. This chapter teaches you how to − Create a single…