Learning Cypher

Loops

Due to the nature of the Cypher queries, usually, you won't need something like a loop used in other programming languages. In fact, as you have probably already realized, the general structure of a Cypher query is formed by three phases and each one of these is optional. The phases are as follows:

• Read: This is the phase where you read data from the graph using the START, MATCH, or OPTIONAL MATCH clauses.
• Write: This is the phase where you modify the graph using CREATE, MERGE, SET, and all the other clauses we learned in this chapter.
• Return: This is the phase where you choose what to return to the caller by using the RETURN clause. This part can be replaced by a WITH clause and then the query can start again from the read phase.

The read ...