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From: Ron Johnson <[email protected]>
To: pgsql-general <[email protected]>
Subject: Re: update faster way
Date: Sat, 14 Sep 2024 10:47:28 -0400
Message-ID: <CANzqJaD-dmM6yi+OL0kcMDyeb4C=KmHeiKPqNThmYFd15NQwug@mail.gmail.com> (raw)
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On Fri, Sep 13, 2024 at 11:59 PM yudhi s <[email protected]>
wrote:

>
>>
>> Do you have any indexes?
>> If not - you should, if yes - what are they?
>>
>>
>>
> Yes we have a primary key on this table which is on a UUID type column and
> also we have other indexes in other timestamp columns . But how is this
> going to help as we are going to update almost all the rows in the table?
>

But do you have an index on tab_part1.column1?

And how slow is subquery?

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