On Fri, Sep 13, 2024 at 11:59 PM yudhi s <learnerdatabase99(at)gmail(dot)com>
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?