Re: parallel-processing multiple similar query tasks - any example?

Expand and explain please.
Regards,
David

On Thursday, 28 April 2022, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:

> On 2022-Apr-28, Shaozhong SHI wrote:
>
> > Why sleep(1)?
>
> It is sleeping to show that they are running concurrently.  If it runs
> five sleeps of one second each and the whole command lasts one second,
> then all sleeps ran in parallel.  Had the whole command taken five
> seconds, you would know that the queries ran serially.
>
> > It should be all active - doing work concurrently.
>
> They are all active simultaneously.  You just need to supply your own
> query, without any sleeps.
>
> --
> Álvaro Herrera
>