From: | Andreas Kretschmer <akretschmer(at)spamfence(dot)net> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: last entry per person |
Date: | 2012-02-03 08:40:03 |
Message-ID: | 20120203084003.GA14758@tux |
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Thread: | |
Lists: | pgsql-general |
garry <garry(at)scholarpack(dot)com> wrote:
> I have a table which holds a user name and their results in exams. There
> can be multiple entries per user. I am trying to return the last entry
> for each user. I can get the last entry in the table using the order
> by/limit method but how would this be applied per user. My table
> definition is like the following:
>
>> gradeid serial primary key,
>> user text,
>> grade char(1),
>> entered timestamp,
> Any help would be appreciated.
> Regards
> Garry
What about "select user, max(entered) from table group by user" ?
Btw.: user is a reserved word, don't use it as column-name.
Andreas
--
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