On 9/10/24 08:07, Rich Shepard wrote:
> I've no idea how I entered multiple, identical rows in a table but I
> want to
> delete all but one of these rows.
Is there a Primary Key or Unique index on this table?
>
> Here's an example:
>
> bustrac=# select * from projects where proj_nbr = '4242.01';
> proj_nbr | proj_name | start_date | end_date | description |
> notes
> ----------+----------------+------------+------------+---------------+-------
> 4242.01 | Expert witness | 2008-10-15 | 2008-10-28 | Consol Energy |
> 4242.01 | Expert witness | 2008-10-15 | 2008-10-28 | Consol Energy |
> 4242.01 | Expert witness | 2008-10-15 | 2008-10-28 | Consol Energy |
> 4242.01 | Expert witness | 2008-10-15 | 2008-10-28 | Consol Energy |
> (4 rows)
>
> How do I clean this up so there's only a single row for this project
> number?
>
> TIA,
>
> Rich
>
>
--
Adrian Klaver
adrian.klaver@aklaver.com