![[assets/wl_cpu_tupleprocessing.png|256]] - **Description**: The core "working" state where the CPU is actively scanning, filtering, and projecting tuples from memory-resident pages. This is the stage where WHERE clauses are applied and columns are extracted. - **Operations**: - [[Operations/SeqScan]] - [[Operations/BitmapHeapScan]] - [[Operations/IndexScan]] - [[Operations/IndexOnlyScan]] - **Resources**: [[Resources/CPU|CPU]], [[Resources/Memory|Memory]]