Skip to content
System Note 08 · Enterprise Systems

Data Consolidation Layer

Bell Canada

SQLData IntegrationETLBusiness Logic
Live
What it is

A transformation step that reconciles the same fact (a customer name, a product, a ticket number) when four systems each spell it differently, and picks the single best value.

4 source systems · priority-waterfall standardization

Why I built it

Downstream reports were splitting one real customer or product into several, because each source had its own version of the value.

Outcome
4source systems
← Back to Build Notes