Hi Ralph,
Did you try:
select surname, creationdate, creationtime from message order by
creationdate desc, creationtime desc;
??
It appears that all of your other queries are working as expected.
Bob
Ralf Weidemann wrote:
>
> Hi all,
>
> I want to sort my output by date & time in descending
> order. How can I do this ? Date or time alone is not
> enough and the combination of both does not work. At
> least in the way I tried it..
>
> Thanks,
> Ralf
>
> wdb=> select surname, creationdate, creationtime
> from message order by creationtime desc;
> surname |creationdate|creationtime
> --------------------+------------+------------
> Name_1 | 30.03.1999|14:46:17
> Name_2 | 30.03.1999|14:05:47
> Name_2 | 30.03.1999|10:10:04
> Name_2 | 29.03.1999|09:10:04
> Name_2 | 30.03.1999|09:10:04
> Name_3 | 22.03.1999|06:02:55
> (6 rows)
>
> wdb=> select surname, creationdate, creationtime
> from message order by creationdate desc;
> surname |creationdate|creationtime
> --------------------+------------+------------
> Name_2 | 30.03.1999|14:05:47
> Name_2 | 30.03.1999|10:10:04
> Name_1 | 30.03.1999|14:46:17
> Name_2 | 30.03.1999|09:10:04
> Name_2 | 29.03.1999|09:10:04
> Name_3 | 22.03.1999|06:02:55
> (6 rows)
>
> wdb=> select surname, creationdate, creationtime
> from message order by creationdate, creationtime desc;
> surname |creationdate|creationtime
> --------------------+------------+------------
> Name_3 | 22.03.1999|06:02:55
> Name_2 | 29.03.1999|09:10:04
> Name_1 | 30.03.1999|14:46:17
> Name_2 | 30.03.1999|14:05:47
> Name_2 | 30.03.1999|10:10:04
> Name_2 | 30.03.1999|09:10:04
> (6 rows)
>
> CREATE TABLE Message
> (
> MessageID SMALLINT NOT NULL,
> Title CHAR(20) NOT NULL,
> Surname CHAR(50) NOT NULL,
> EMail CHAR(100),
> MessageURL CHAR(100),
> Text VARCHAR NOT NULL,
> CreationDate DATE NOT NULL,
> CreationTime TIME NOT NULL,
> Expiry SMALLINT NOT NULL
> );