أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Each of the three layers has a metadata layer linked with it. The metadata layer describes the properties or characteristics of the data. The operational metadata describe the data used in the various operational and external systems. The enterprise data warehouse metadata describe the reconciled data layer. The data mart metadata describes the derived data layer.
I really have no idea, my knowledge in this field is very limited. But thanks for the invitation.
