In this chapter, you learned how to use Neo4j Browser. Thanks to this very useful testing and prototyping tool provided by Neo4j, you have learned a lot of new clauses needed to modify the graph, such as CREATE, CREATE UNIQUE, SET, MERGE, REMOVE, and DELETE.

Finally, you learned how to use the FOREACH clause to traverse a collection to perform write operations.

In the next chapter, we will examine in depth how to improve the performance of our Cypher queries, and how to enforce important assertions about our graph according to the peculiarities of the domain model.