Neo4j – Index Neo4j SQL supports Indexes on node or relationship properties to improve the performance of the application. We can create indexes on properties for all nodes, which have the same label name. We can use these indexed columns on MATCH or WHERE or IN operator to improve the execution of CQL command. In […]
Category Archives: neo4j
Neo4j – Drop Unique We have already discussed creating UNIQUE constraint operations with examples in the previous chapter. In this chapter, we will discuss dropping UNIQUE constraint operation with examples. Neo4j CQL provides “DROP CONSTRAINT” command to delete existing Unique constraint from a node or relationship property. Syntax Following is the syntax for dropping a […]
Neo4j – Create Unique Constraint In Neo4j database, CQL CREATE command always creates a new node or relationship which means even though you use the same values, it inserts a new row. As per our application requirements for some nodes or relationships, we have to avoid this duplication. For this, we should use some database […]