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Re: Uber migrated from Postgres to MySQL - Mailing list pgsql-general

From Scott Marlowe
Subject Re: Uber migrated from Postgres to MySQL
Date
Msg-id CAOR=d=2har_t2bdRLrLJFjCa9a=yABwfrG7A_+PkfPj+EpoEng@mail.gmail.com
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In response to Re: Uber migrated from Postgres to MySQL  (Alex Ignatov <a.ignatov@postgrespro.ru>)
Responses Re: Uber migrated from Postgres to MySQL  ("Joshua D. Drake" <jd@commandprompt.com>)
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On Thu, Jul 28, 2016 at 11:23 AM, Alex Ignatov <a.ignatov@postgrespro.ru> wrote:
>
> On 28.07.2016 19:43, Scott Marlowe wrote:
>>
>> On Thu, Jul 28, 2016 at 10:32 AM, Alex Ignatov <a.ignatov@postgrespro.ru>
>> wrote:
>>>
>>>   Oh, so in contrast to "Oracle world"  "Postgres world" DBA in their
>>> right
>>> to do major upgrade without complete and tested backup?
>>> Ok,  I understand you. In Postgres world there always sky is blue and sun
>>> is
>>> shining.
>>
>> Of course we have backups. But we also have slony. So we CAN go back
>> and forth between latest and previous without a restore.
>>
>>
>
> And? Oracle and MySql doesnt have it but can downgrade right out the box.
> Quick and easy.

So you can swap between oracle 11 and 12 back and forth in a live
environment with no downtime? Please pull the other leg.

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