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Subject: Re: Explain returns different number of rows
From: Christophe Pettus <xof@thebuild.com>
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> On Oct 20, 2022, at 09:52, Vince McMahon =
<sippingonesandzeros@gmail.com> wrote:
> The number of rows are different.=20

This isn't unexpected.  EXPLAIN does not actually run the query and =
determine how many rows are returned; it calculates an estimate based on =
the current system statistics, which vary constantly depending on =
activity in the database.=