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From: Rob Sargent <[email protected]>
To: Rich Shepard <[email protected]>
Cc: [email protected]
Subject: Re: Convert date and time colums to datetime
Date: Sun, 19 Oct 2025 13:40:59 -0600
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>



> On Oct 19, 2025, at 1:08 PM, Rich Shepard <[email protected]> wrote:
> 
> On Sun, 19 Oct 2025, Laurenz Albe wrote:
> 
>> That depends on what you do with the table.
> 
> Laurenz,
> 
> That makes sense.
> 
>> Are your SQL statements simple and natural with the current design?
>> Then stick with what you have now.
> 
> That's what I'm going to do. I was curious when a timestamp column was more
> efficient, or otherwise preferred, since only a couple of my databases have
> a table with both date and time. And neither has many rows, but one could be
> quite large some time in the future.
> 
> Thanks very much,
> 
> Rich
> 
I think you have to ask why those values were separated in the first place. For instance if they are thought of as a pair in most queries then an alteration might be in order. There can be a large one time cost if these tables occur in a lot of separate sql calls in the business logic.

> 

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