Classification Drill & Key
Cover the answer column mentally and classify each clue.
| # | Clue | Answer |
|---|---|---|
| 1 | Only changed rows | CDC |
| 2 | Source field to target calculation | Mapping |
| 3 | Job dependencies | Orchestration |
| 4 | Find candidate source | Discovery |
| 5 | Inspect nulls and values | Profiling |
| 6 | Where data came from | Lineage |
| 7 | Too many interfaces | Hub / canonical model |
| 8 | Sender must not wait | Async / loose coupling |
| 9 | Exact immediate agreement | Synchronous |
| 10 | Event pattern triggers action | CEP |
| 11 | Unified view without physical move | Virtualization |
| 12 | Agreement on acceptable use | Data Sharing Agreement |
| 13 | Reusable independent capability | SOA / data service |
| 14 | Message intermediary | ESB |
| 15 | Application modules through defined APIs | EAI |
| 16 | Raw first, transform in target | ELT |
| 17 | Point-in-time extract | Snapshot |
| 18 | Only changed extract | Delta |
| 19 | Same copies in multiple sites | Replication |
| 20 | Business-owned meaning change | Governance |
Changed-fact method
For every clue, invent one fact that would make a nearby concept correct instead. Example: “same copies at multiple sites” = Replication; change the fact to “only inserts/updates/deletes must move” = CDC.