3 ms·

Because then you can’t trust it. The only changes to a data mart should be replicated from authoritative upstream systems.

• pphysch 3y ago
  That is quite a generalization, not every data warehouse / mart / workflow is architected in the exact same way.
  • mulmen 3y ago
    I honestly can’t imagine the value of a user-editable data mart. Maybe you can educate me?