Re: Sql query : select max timestamp value from table

Johan,

First, you don't need the distinct. The proper query will return 1 row per ip. Second, take the max(timestamp) out of the group by. That is causing the problem.

Daniel

Johan Muller wrote:

> I have multiple timestamps values for single ip in a table, I
> need the max(timestamp) for each ip I select out.
>
> example:
>
> timestamp ip
>
> 2003-09-29 13:20:23 68.209.182.4
> 2003-09-29 13:20:44 68.209.182.4
> 2003-10-02 12:53:38 68.209.182.4
> 2003-10-02 12:35:06 68.75.94.158
> 2003-10-02 12:52:03 68.97.33.69
>
> Thus
>
> select distinct ip, max(timestamp) from table
>
> group by ip, timestamp;
>
>
>
> returns every timestamp value per ip.
>
> Any ideas on how to get only the max(timestamp) for each ip?
>
>

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