On 2020-11-02 09:26, Jürgen Purtz wrote:
> OLD:
>
> A first approach to implement protections against concurrent
> access to the same data may be the locking of critical
> rows. Two such techniques are:
> <emphasis>Optimistic Concurrency Control</emphasis> (OCC)
> and <emphasis>Two Phase Locking</emphasis> (2PL).
> <productname>PostgreSQL</productname> implements a third, more
> sophisticated technique: <firstterm>Multiversion Concurrency
> Control</firstterm> (MVCC). The crucial advantage of MVCC ...
>
> Proposal:
>
> A first approach to implement protections against concurrent
> access to the same data may be the locking of critical
> rows.
> <productname>PostgreSQL</productname> implements a more
> sophisticated technique which avoids any locking:
> <firstterm>Multiversion Concurrency
> Control</firstterm> (MVCC). The crucial advantage of MVCC ...
>
> Any thoughts or other suggestions?
>
Yes, just leave it out. Much better, as far as I'm concerned.
Erik