Subject | Re: [firebird-support] what is wrong in this select? |
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Author | Fidel Viegas |
Post date | 2008-02-27T23:27:21Z |
On Wed, Feb 27, 2008 at 7:20 PM, Mercea Paul <paul.mercea@...> wrote:
this particular case. The union operator is used to draw information
from two or more tables that have the same structure. Using a union in
a single table does not make much sense, even though it works. Does it
make much sense in math set theory doing a union with a single set?
Well, the same applies here. At least that is what I think.
It was only in that sense that I said it does not make much sense.
Anyway, glad the problem was sorted.
All the best,
Fidel.
> Does not make sense but u can try, if u want to keep that statementWhat I meant to say is that it does not make sense using a union in
> something like this
this particular case. The union operator is used to draw information
from two or more tables that have the same structure. Using a union in
a single table does not make much sense, even though it works. Does it
make much sense in math set theory doing a union with a single set?
Well, the same applies here. At least that is what I think.
It was only in that sense that I said it does not make much sense.
Anyway, glad the problem was sorted.
All the best,
Fidel.