I think the documentation may not be correct or up to date, in the deprecated section it says mySQL 5.1 is not compatible but it says more recent versions are supported, however, they've not updated the FDA compatibility matrix.  

All in all, performance is down to your own infrastructure specifications, the conneciton handshake/handling is managed by the connector, the frequency of pull doesnt matter, but should take into consideration the impact on loading large sets of data during peak hours/business hours when system is r...

Most likely to be done over batch ingestion as this is the appropiate method for large quantities of data, I believe the frequency can be scheduled, i.e. every 1 minute.    https://experienceleague.adobe.com/docs/experience-platform/ingestion/home.html?lang=en 

Adobe Campaign Standard:simple method to generate a schema data dictionary.

Formats the date value contained in optout.@OPT_Date  with the given formathttps://experienceleague.adobe.com/developer/campaign-api/api/f-formatDate.html You can specify a number in front of certain of these characters. The A and B characters can be followed by a l to use the full name rather than ...

Check the link between your schema and the other schema's, can you post an ERD diagram with cardinalities, also from the below; are you sure the link NAME is [sConsumer/.....], if you click on your schema -->configure list... are you able to see the fields from the other schema? post a screenshot <n...

Congrats @Marcel_Szimonisz and @SatheeskannaK. 

Create an enumeration in your product's schema  <enumeration basetype="byte" name="cusColorProfile"> <value label="White" name="white" value="0"/> <value label="Yellow" name="yellow" value="1"/> <value label="Red" name="red" value="2"/> <value label="Blue" name="blue" value="3"/> ...

Try Adam Wheelerawheeler@adobe.comConsulting Services Sales Account ManagerAdobe Consulting EMEA - Northern Europe

Refer to the following link hat has more details https://experienceleague.adobe.com/docs/campaign-classic/using/sending-messages/sending-push-notifications/configure-the-mobile-app/configuring-the-mobile-application-android.html#configuring-external-account-android