To address the performance challenges associated with All_Reg_View, I propose replacing it with a partitioned staging table. This change will significantly enhance query efficiency, simplify execution plans, and prepare the pipeline for future scalability.

Proposed Solution

1. Create a Partitioned Staging Table

   • Truncate and Load: Materialize data from regional views into a dedicated staging table. Use a TRUNCATE operation followed by a fresh load to ensure efficient data refresh.
   • Partitioning: Partition the staging table by region to enable faster and more efficient filtering during queries.

2. Replace All_Reg_View in Joins

   • Utilize the staging table for downstream joins. This eliminates runtime union operations by pre-aggregating data during the staging process, simplifying execution plans and reducing query overhead.

This solution ensures more robust and efficient data processing while supporting the pipeline's long-term goals.