問題文
A team plans two changes to a published design: one introduces a further column, and the other removes a column that sources no longer send. Which change is safe for data already in the repository?
選択肢
- Shipping the appended attribute reaches the existing rows held inside the repository for us.
- Shipping the appended attribute reaches the pending rows held inside the repository for us.
- Shipping the erased attribute reaches the existing rows held inside the repository for us.
- Shipping the erased attribute reaches the pending rows held inside the repository for us.