On Fri, Aug 26, 2022 at 7:01 AM Shaozhong SHI
wrote:
> The following does not work.
> select count(test) from table where exists (select test from table)
>
>
> How to select based on the condition of a column exists? It column test
> is not exists, a message need to be retu
The following does not work.
select count(test) from table where exists (select test from table)
How to select based on the condition of a column exists? It column test
is not exists, a message need to be returned.
Regards,
David
