In response to Oliver Kohll - Mailing Lists :
> Hello,
>
> I'm still reasonably new to windowing functions, having used a few since 8.4
> came out. I wonder if anyone can help with this one.
>
> I've got a table of email addresses in a CRM system similar to the following:
>
> CREATE TABLE test(
Hello,
I'm still reasonably new to windowing functions, having used a few since 8.4
came out. I wonder if anyone can help with this one.
I've got a table of email addresses in a CRM system similar to the following:
CREATE TABLE test(
signup_date timestamp,
email_address varchar(1000)
);
INS
