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help / color / mirror / Atom feedFrom: Muhammad Ikram <[email protected]>
To: Rich Shepard <[email protected]>
Cc: [email protected]
Subject: Re: Updating 457 rows in a table
Date: Sun, 19 May 2024 22:06:04 +0500
Message-ID: <CAGeimVoWSRvrE4M1ppxVAkAvoFr=XXKT8NQu1dftKFnx7V45MA@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
Hi Rich,
Based on what I could understand is, here is an example
UPDATE employees
SET salary = salary + 500
WHERE department_id = 'Sales';
Sorry, if I misunderstood your question.
Regards,
Muhammad Ikram
Bitnine
On Sun, May 19, 2024 at 9:54 PM Rich Shepard <[email protected]>
wrote:
> Searching the postgresql doc for UPDATE the examples I find show updating
> one or a few rows in a table. I have 457 rows to update in a table.
>
> I could write a .sql script with 457 lines, each updating one row of the
> table. My web search for `sql: update table rows from a file of column
> values' finds pages for single row updates and updating a table from
> another
> table, but neither is what I want.
>
> I want to change a column value in a table based on the value of a
> different
> column in that same table.
>
> Specifically, in the 'people' table I want to change the column 'active'
> from false to true for 457 specific person_id row numbers.
>
> Is there a way to do this without manually writing 457 'update ...' rows in
> a .sql file?
>
> TIA,
>
> Rich
>
>
>
>
--
Muhammad Ikram
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Subject: Re: Updating 457 rows in a table
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