```json { "table_name": "classification_candidates", "table_type_tags": [ {"tag": "dimension", "confidence": 0.95} ], "primary_type": "dimension", "insufficient_evidence": false, "entity": { "columns": ["id"], "unique_per_row": true }, "time_axis": null, "reasoning": "id is unique per row (Uniqueness 1.000, RPUV 1.00). The table catalogs partition/clustering key recommendations for other tables — each row describes one candidate key configuration for a classified table. rank orders alternatives for the same table_classification_id, but this is a ranking attribute, not a time axis. The table is a registry of key recommendations, not a timeline of events or snapshots." } ```