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Re: Arrays vs separate tables

Michał Kłeczek <michal@kleczek.org>

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From: Michał Kłeczek <michal@kleczek.org>
To: Rich Shepard <rshepard@appl-ecosys.com>
Cc: pgsql-general@lists.postgresql.org
Date: 2025-10-20T14:21:09Z
Lists: pgsql-general 

> On 20 Oct 2025, at 16:07, Rich Shepard <rshepard@appl-ecosys.com> wrote:
> 
> On Mon, 20 Oct 2025, Michał Kłeczek wrote:
> 
>> There is also another concern - do you want to make sure phone numbers are
>> not shared?
> 
> Michal,
> 
> Shared with whom?

Sorry, I wasn’t clear.

How do you make sure a phone number is not shared by two (or more) customers?

—
Michal