ODS, Operational Data Store is majorly different from Staging in the below
aspects:

- Existing Records in the System can get updated based on necessary instructions
& design.

- It can be used for immediate reporting if the DW is not in place.

What is Common?

- Transformation/Data check/Validation/Applying Filters/Rules can be done in
both these systems.

- They both are/can be used as a data feed for DW Loading.