Locking Qualified Name Type Release apoc.lock.all apoc.lock.all([nodes],[relationships]) acquires a write lock on the given nodes and relationships Procedure APOC Core apoc.lock.nodes apoc.lock.nodes([nodes]) acquires a write lock on the given nodes Procedure APOC Core apoc.lock.rels apoc.lock.rels([relationships]) acquires a write lock on the given relationship Procedure APOC Core apoc.lock.read.nodes apoc.lock.read.nodes([nodes]) acquires a read lock on the given nodes Procedure APOC Core apoc.lock.read.rels apoc.lock.read.rels([relationships]) acquires a read lock on the given relationship Procedure APOC Core