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 […]
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Neo4j – Match Clause In this chapter, we will learn about Match Clause and all the functions that can be performed using this clause. Get All Nodes Using Match Using the MATCH clause of Neo4j you can retrieve all nodes in the Neo4j database. Example Before proceeding with the example, create 3 nodes and 2 […]
Neo4j – Foreach Clause The FOREACH clause is used to update data within a list whether components of a path, or result of aggregation. Syntax Following is the syntax of the FOREACH clause. MATCH p = (start node)-[*]->(end node) WHERE start.node = “node_name” AND end.node = “node_name” FOREACH (n IN nodes(p)| SET n.marked = TRUE) […]