> Instead of a partial row CRC, we could just as well use some other bit
> of identifying information, say the row OID. Given a block CRC on the
> heap page, we'll be pretty confident already that the heap page is OK,
> we just need to guard against the possibility that it's older than the
> ind
> A disk-block CRC would detect partially written blocks (ie, power drops
> after disk has written M of the N sectors in a block). The disk's own
> checks will NOT consider this condition a failure.
But physical log recovery will rewrite every page that was changed
after last checkpoint, thus t