Andreas Tille wrote:
> On Thu, 24 Aug 2000, Hiroshi Inoue wrote:
>
> > Hmm,Andreas's original function seems to contain other statements.
> > If the function contains DML statements for the table Temp_Num_Table,
> > it wouldn't work properly. i.e 1st call would work but 2nd call woudn't.
> That's
Thanks for your suggestions, though I've already
considered most of them. (I have a detailed reply
below, interleaved with your mail).
I am considering an option but would need help from
somebody who knows how the backend works to be able to
figure out if any of the following options would help.
Hello,
There are 2 ways of doing outer joins, both are relatively expensive
from the CPU time point of view
1. Create a function that returns the ojined value, or null if the value
does not exists in the secod table
2. Use a union beetwen a left join and a straight select with a wh