The insertions made by the first data engineer will be reflected in the original table whereas the insertions made by the second data engineer will not affect the original table.

Both the data engineers can add data to the copies of the original table received by them but the data will not be reflected back to the original table.

The first data engineer can make the insertions to the table whereas the second data engineer cannot.

Both the data engineers get a read-only copy of the original table and thus, cannot add data to the copies of the original table received by them.

The insertions made by both the data engineers will be reflected in the original table.