- **Description**: Scans a table using tuple IDs. - **Performance**: Efficient for specific tuple IDs. - **Factors**: Number of tuple IDs. - **Cost**: `cpu_tuple_cost * number of tuple IDs` - ![[ex_tid_scan.svg|200x200]] - **Operates on**: [[Tuple]] - **Workloads**: - [[IO]] - [[DataFileRead]] - [[LWLock]] - [[BufferContent]]