Some fun SQL from Ian Grieve
SQL View to Return Purchases By Vendor By Year | azurecurve azurecurve
SQL View to Return Purchases By Vendor By Year | azurecurve azurecurve
SQL & DataMicrosoft & the GP Ecosystem
Archived post from 2017. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.