On Fri, Oct 18, 2002 at 12:45:56 -0400, Wei Weng <wweng@kencast.com> wrote:
> I have a table
>
> Table "Users"
> Column | Type | Modifiers
> -----------+------------------------+-----------
> userid | character varying(40) | not null
> username | character varying(64) |
>
> I want to get all the distinct first character of all usernames. And do
> it in a way that is the most portable to MS SQL server.
>
> Is there anyway?
Looking through the documentation on string functions would be helpful.
An example solution is:
select distinct substring(username from 1 for 1) from users;