- **Description**: Computes window functions. - **Performance**: Computes window functions, can be CPU-intensive. - **Factors**: Number of rows, window function complexity. - **Cost**: `window function cost * number of rows` - ![[ex_window_aggregate.svg|200x200]] - **Operates on**: [[Result Set]] - **Workloads**: - [[IO]] - [[BufFileRead]] - [[BufFileWrite]] - [[LWLock]] - [[BufferContent]]