Per creare una Materialized View in SQL Server, devi usare la sintassi CREATE MATERIALIZED VIEW AS SELECT:
```sql
CREATE MATERIALIZED VIEW mv_name AS SELECT * FROM table_name WHERE timestamp > DATE_SUB(CURRENT_TIMESTAMP(), INTERVAL 45 DAY);
```
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence