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From: Rich Shepard <[email protected]>
To: [email protected]
Subject: Removing duplicate rows in table
Date: Tue, 10 Sep 2024 08:07:04 -0700 (PDT)
Message-ID: <[email protected]> (raw)

I've no idea how I entered multiple, identical rows in a table but I want to
delete all but one of these rows.

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

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