On Fri, 05 Oct 2001 17:03:41 METDST
Haller Christoph wrote:
> >
> > Consider the following table:
> >
> > A B C D select?
> > ---
> > 1 FOO A1 100 n
> > 1 BAR Z2 100 n
> > 2 FOO A1 101 y
> > 2 BAR
>
> Consider the following table:
>
> A B C D select?
> ---
> 1 FOO A1 100 n
> 1 BAR Z2 100 n
> 2 FOO A1 101 y
> 2 BAR Z2 101 y
> 3 FOO A1 102 y
> 4 BAR
>
> Consider the following table:
>
> A B C D select?
> ---
> 1 FOO A1 100 n
> 1 BAR Z2 100 n
> 2 FOO A1 101 y
> 2 BAR Z2 101 y
> 3 FOO A1 102 y
> 4 BAR
Consider the following table:
A B C D select?
---
1 FOO A1 100 n
1 BAR Z2 100 n
2 FOO A1 101 y
2 BAR Z2 101 y
3 FOO A1 102 y
4 BAR Z2 9