Cypher NOT ... STARTS WITH on a nullable property silently disables a guard clause (three-valued logic)

Neo4j migration runner: dry-run mode via paired read-only count cyphers + MERGE-collision data-loss detection

Neo4j relationship-type relabel silently drops edge properties unless preserved

Neo4j silently drops null-valued properties — 'k' IN keys(n) is false after CREATE (n {k: null})

Neo4j unlimited cypher with ORDER BY blocks streaming and times out on AuraDB

Neo4j dual MATCH queries silently return zero records if ANY matched node is ...

Cypher path variable not in scope after WITH clause — APOC expandConfig

Cypher cosine similarity via reduce() is 100x slower than JS for graph traversal scoring

Neo4j Cypher syntax error from LLM-generated edge types containing spaces