```json { "table_name": "b2b_sales_funnel_pipeline", "primary_key": "opportunity_id", "candidates": [ { "rank": 0, "partition_key": "opportunity_id", "partition_key_label": "primary_identifier", "partition_key_reasoning": "RPUV = 1.00 (perfectly unique), 8800 unique values across 8800 rows. This is the natural primary identifier for each sales opportunity. While RPUV=1 typically indicates one file per row, for dimension tables the primary_identifier serves as the partition key to enable efficient lookups and joins with fact tables.", "clustering_key": null, "clustering_key_label": null, "clustering_key_reasoning": "Dimension tables typically do not require internal sorting. Each opportunity_id represents a distinct entity with no natural ordering within the table.", "world_line": null, "session_column": null, "confidence": "HIGH", "notes": "This is classified as a dimension table representing sales opportunities. The opportunity_id is the unique identifier (RPUV=1.00, 100% uniqueness). While engage_date and close_date exist as temporal markers, they describe attributes of each opportunity rather than defining a time-series structure. The deal_stage column shows opportunity status (Won/Lost/Engaging/Prospecting). No clustering key is needed as dimension tables are typically accessed by their primary key for lookups." } ] } ```