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 is used to delete nodes and associated relationships. REMOVE operation is used to remove labels and properties. Removing a Property You […]
Category Archives: neo4j
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 in the database using the DELETE clause. Query MATCH (n) DETACH DELETE n To execute the above query, carry out the […]
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 only difference being it returns null as a result of the missing parts of the pattern. Syntax Following […]