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 […]
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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 […]
Neo4j – Quick Guide Neo4j – Overview Neo4j is the world”s leading open source Graph Database which is developed using Java technology. It is highly scalable and schema free (NoSQL). What is a Graph Database? A graph is a pictorial representation of a set of objects where some pairs of objects are connected by links. […]