Hello!

Read Committed.

I extend the example: the concurrent connections are in transactions.

begin
   select ... for update;
end;

Regards
  dd



2018-01-02 12:31 GMT+01:00 Rakesh Kumar <rakeshkumar...@mail.com>:

>
> Shouldn't isolation level also matter ?  What is the isolation level you
> are using ?
>

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