4 ms·

Can you provide specifics? AFAICT that applies only to indexes (where there is another layer of indirection in MySQL).

• mst 9y ago
  InnoDB clusters on disk by PK so if your record is the same width and you don't change the PK it can AFAIK update in-place.
  • ibotty 9y ago
    Very late answer, but no, that is incompatible with mvcc. How can transactions (and rollbacks) work?