Aurora MySQL can absolutely be replicated with on-prem SQL, we did it at 
$dayjob.

Sent from my iPhone

> On Jan 11, 2021, at 12:03 AM, William Herrin <b...@herrin.us> wrote:
> 
> On Sun, Jan 10, 2021 at 8:32 PM <sro...@ronan-online.com> wrote:
>>> On Jan 10, 2021, at 1:45 PM, Michael Thomas <m...@mtcc.com> wrote:
>>>>> On 1/10/21 10:21 AM, William Herrin wrote:
>>>>> Are you sure about that? Consider your database. Suppose you want to
>>>>> run your primary database in AWS with a standby replica in Azure. As
>>>>> long as you install your own database software in both, you can do
>>>>> that. But if you want to leverage AWS' RDS products too, you're mostly
>>>>> out of luck.
>>> 
>>> Is RDS based on something else? I find it hard to believe that they wrote a 
>>> rdb from scratch. But yes, once they own your db they own you. I've looked 
>>> before how to migrate from mysql to postgres and was shocked at how little 
>>> there seems to be out there to even do even the easier stuff let alone the 
>>> proprietary extensions.
> 
>> They have Amazon Aurora versions of many popular databases which are binary 
>> compatible with the standard versions. So you can run standard Postgres on 
>> one cloud and Aurora Postgres in AWS.
> 
> 
> Look closer. The AWS RDS version of mysql is unable to replicate with
> your version of mysql. The configuration which would permit it is not
> exposed to you.
> 
> Unless something has changed in the last couple years?
> 
> Regards,
> Bill Herrin
> 
> 
> 
> -- 
> Hire me! https://bill.herrin.us/resume/

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