```json { "table_name": "table_classifications", "primary_key": "id", "candidates": [ { "rank": 0, "partition_key": "id", "partition_key_label": "primary_identifier", "partition_key_reasoning": "id has RPUV=1.00 and Uniqueness=1.000, making it the perfect primary identifier. Each row represents a unique table classification record. With 514 rows, this is a small dimension table where partitioning by the primary key is appropriate.", "clustering_key": null, "clustering_key_label": null, "clustering_key_reasoning": "Dimension tables typically do not require clustering. The table is small (514 rows) and each row is unique, so no internal sorting is needed.", "world_line": null, "session_column": null, "confidence": "HIGH", "notes": "This is a metadata catalog table storing classification results for other tables. Each row is a unique classification record identified by id. The table_type column shows the classification outcome (DIMENSION, STATE, PATH, EVENT, MISC, SUPERVISED), and tables_catalog_id links to the table being classified. The created_at timestamp is a descriptive attribute of when the classification was performed, not a temporal axis organizing the data." } ] } ```