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help / color / mirror / Atom feedFrom: Theodore M Rolle, Jr. <[email protected]>
To: pgsql-sql <[email protected]>
Subject: Fwd: Electricity bill
Date: Tue, 7 Jun 2022 21:48:59 -0400
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<[email protected]>
<CAPDmd-CLcT1RQvRpD4NjMgpOSCO5mYYs2Bctx_MG5U7jiYdsWA@mail.gmail.com>
Will this compute the interval in days?
---------- Forwarded message ---------
From: Theodore M Rolle, Jr. <[email protected]>
Date: Tue, Jun 7, 2022, 21:46
Subject: Re: Electricity bill
To: Jonathan Katz <[email protected]>
Will this get the current and the last months' dates to compute the
interval in days?
On Tue, Jun 7, 2022, 21:42 Jonathan Katz <[email protected]>
wrote:
>
> > On Jun 7, 2022, at 9:39 PM, Theodore M Rolle, Jr. <[email protected]>
> wrote:
> >
> > I'm putting in YYYY-MM-DD dates of electricity bills and would like to
> not have starting and ending dates in the same row. Only ending date.
> > Will someone show me the SQL to compute the months’ usage? This requires
> retrieving two rows to compute the number of days…
>
> Based on your description, what I can offer right now is:
>
> SELECT date_trunc(‘month’, date_col), sum(val_col);
>
> Jonathan
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Subject: Re: Fwd: Electricity bill
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