ocr: FIGURE 3: The architecture of a writable snapshot Trigger: Trigger: "after row for each row". "alter row for each row". Records ROWID and Records ROWID of fype of change (insert, changed row. update, or delete). Snapshor View hides ROWD) Master Snapshof Base Table Table (includes ROWID) Refresh Operation Log (ROWID) Viewof tog changed ond Operation Changed Rows ROWIDS)
