Update, upsert, delete

venue.Capacity = 1800;
db.Update(venue);                    // skips the write when nothing changed
db.Upsert(venue);                    // inserts, or updates when the id exists
db.UpdateIfExists(venue);            // does nothing when the node is gone
db.ForceUpdate(venue);               // writes without comparing first

db.UpdateProperty(venue, v => v.Capacity, 1800);   // one property, leaving the others alone
db.AddToProperty(venue, v => v.Capacity, 50);      // read, add and write in one atomic step

db.Delete(venueId);                  // also removes the node's relations
db.DeleteIfExists(venueId);
db.Delete(new[] { id1, id2 });