Re: sql query wanted

Look at DECODE.

Daniel Morgan

Christian Mallwitz wrote:

> Hi,
> This seems to much for me ...
> I have
>
> create table foobar (id varchar(10), sku varchar(10));
>
> insert into foobar values ('1', 'a');
> insert into foobar values ('2', 'b');
> insert into foobar values ('3', 'a');
> insert into foobar values ('3', 'b');
> insert into foobar values ('4', 'c');
> insert into foobar values ('5', 'a');
> insert into foobar values ('5', 'c');
> insert into foobar values ('6', 'a');
> insert into foobar values ('6', 'b');
> insert into foobar values ('7', 'a');
> insert into foobar values ('7', 'b');
> insert into foobar values ('7', 'c');
>
> Now I have to query based on sku: I need all id's where there are row's
> for that id with exactly the sku's provided.
>
> Example:
> if I have a it should return 1
> if I have b it should return 2
> if I have c it should return 4
> if I have a and b it should return 3 and 6
> if I have a and c it should return 5
> if I have a, b and c it should return 7
>
> Any advice?
> Thanks
> Christian
Received on Thu Feb 21 2002 - 15:24:51 CST