Practica guiada con una sola pregunta visible y correccion explicada.

A queryable window used with AT or BEFORE that lets users recover earlier states by themselves. It is an additional Snowflake-managed layer for disaster recovery, not a daily user workflow An additional protection also available for transient and temporary tables after Time Travel. A per-table period configured with DATA_RETENTION_TIME_IN_DAYS to extend day-to-day recovery.