What is incremental data? Incremental Data Loads ----------------------- If you are sending employee data to a third-party payroll provider on every Friday, we don’t want to send all employees instead we only want the ones who changed current week. In this scenario, "LAST_UPDATE_DATE" column in the table plays vital role. LAST_UPDATE_DATE tells us when the record was physically saved. */ --Examples: ------------------------------- select count(1) from ( Select papf.person_number, ppnf.FULL_NAME from per_all_people_f papf, per_person_names_f ppnf WHERE 1=1 and papf.person_id=ppnf.person_id and papf.LAST_UPDATE_DATE >=sysdate-7 --(Incremental) and ppnf.NAME_TYPE='GLOBAL' and sysdate between papf.EFFECTIVE_START_DATE and papf.EFFECTIVE_END_DATE and sysdate between ppnf.EFFECTIVE_START_DATE and ppnf.EFFECTIVE_END_DATE ) Result: 55 Records(Only Changed Records in current week) --------------------------------- select count(1) from ( Select papf.person_n...