STEP2: Select all the records which are not changed from STG and HIST using inner join and filter on HIST.column = STG.column as below hive> select hist.* from emp_hist hist inner join emp_stagg stg ...

Slowly Changing Dimension(SCD) Type1: Slowly Changing Dimensions are dimensions (like Customer, Product, Employee) whose attributes change slowly over time, not every day like transactions. Example: A ...