Notebooks

Overview The cdm_Archive_to_STG notebook is a critical component in the cdm_today and cdm_Archive pipeline. Its primary role is to create a staging table that represents a point-in-time snapshot of source data, which is then used by the cdm__Archive_upsert notebook to accurately update the main dimension table. This staging layer acts as a buffer between raw … Read more

Overview The cdm__Archive_upsert notebook is designed to help keep accurate historical records of data. It implements a technique called Slowly Changing Dimension Type 2 (SCD2), which means instead of overwriting old information, it creates a timeline of changes so you can see what was true at any point in time. This method ensures that previous … Read more