Copying Google Apps data to PostgreSQL cannot be simpler. You just need to perform the following three simple steps.
Specify necessary connection parameters for Google Apps.
Specify necessary connection parameters for PostgreSQL.
Skyvia supports secure connections to PostgreSQL.
Select Google Apps objects to replicate.
Just select check boxes in a list of Google Apps objects. If necessary, you can tweak it in more details - replicate only part of Google Apps fields and filter data to replicate.
You don't need to prepare the PostgreSQL database - Skyvia creates the tables corresponding to the Google Apps objects automatically.
Skyvia can more than just create a copy of the Google Apps data in PostgreSQL - it can keep this copy in an up-to-date state automatically. All you need is to configure a schedule when to update the PostgreSQL replica database.
When updating the data copy in the PostgreSQL database, Skyvia does not perform full data copying each time. It retrieves only updated data from Google Apps and writes only necessary updates to the PostgreSQL database.
With Skyvia you can copy all the data from a Google Apps object or disable replication for some Google Apps object fields. You can also configure filters for data to replicate.