```json { "table_name": "quality_issues", "primary_key": "id", "candidates": [ { "rank": 0, "partition_key": "id", "partition_key_label": "primary_identifier", "partition_key_reasoning": "RPUV = 1.00, uniqueness = 1.000, monotonicity = 1.000. Perfect unique identifier for each quality issue record. Each row represents a distinct quality issue finding.", "clustering_key": null, "clustering_key_label": null, "clustering_key_reasoning": "Dimension tables typically do not require internal sorting. No temporal or hierarchical ordering is needed for quality issue lookups.", "world_line": null, "session_column": null, "confidence": "HIGH", "notes": "This is a dimension table cataloging quality issues detected during data profiling jobs. The id column is the natural primary key. Alternative perspectives (by jobs_id or dataset_id) would not be appropriate for a dimension table — those would be foreign key relationships for joining to other tables, not partition keys." } ] } ```