How do I use LOAD CSV to update/set properties of existing nodes

One can use LOAD CSV to perform a bulk update to existing nodes, and create new nodes, as follows. If we have a .csv called Movies.csv and its content is: code,wysiwyg-indent3 code,wysiwyg-indent3 101,The Matrix,463420706 102,The Matrix Reloaded,738576929 103,The Matrix Revolutions,427289109 104,A… Read more →

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Explanation of error “Cannot merge node using null property value for”

When running a MERGE, which is a combination of MATCH and/or CREATE one may encounter an error of Cannot merge node using null property value for if the MERGE is performing a MATCH against a null property. For example, when… Read more →

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Understanding how MERGE works

What is MERGE, and how does it work? The MERGE clause ensures that a pattern exists in the graph. Either the pattern already exists, or it needs to be created. In this way, it’s helpful to think of MERGE as… Read more →

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