What is the Same
| Area | DAS & RDS |
|---|---|
| Replication technology | Both use Oracle GoldenGate to replicate data from Retail applications. |
| Data freshness model | Replication is generally near real time; lag grows with large transactions. |
| Read-only access to application data | Customers cannot update source application data in either model. |
| Schema change buffering | Views insulate customers from most base schema changes. |
| Customer responsibility for extensions | Customers own and maintain their custom objects and code. |
| Environments | Prod + Stage included, additional ’l NPE’s are optional. |