Re: Is there anyway to do this?

From: "Ian Harding" <ianh(at)tpchd(dot)org>
To: <wweng(at)kencast(dot)com>, <bruno(at)wolff(dot)to>
Cc: <pgsql-sql(at)postgresql(dot)org>
Subject: Re: Is there anyway to do this?
Date: 2002-10-18 17:10:15
Message-ID: sdafde4f.055@mail.tpchd.org
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MSSQL Server does not recognize this syntax, but it does accept

select distinct substring(username, 1, 1)

Ian A. Harding
Programmer/Analyst II
Tacoma-Pierce County Health Department
(253) 798-3549
iharding(at)tpchd(dot)org

>>> Bruno Wolff III <bruno(at)wolff(dot)to> 10/18/02 10:13AM >>>
On Fri, Oct 18, 2002 at 12:45:56 -0400,
Wei Weng <wweng(at)kencast(dot)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;

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