問題文
Overnight the source renames one column and narrows another from twenty characters down to eight. The mapping is set to follow the source. Which of those two events still needs a person to look at it?
選択肢
- Following the source treats the rename as the singlestep change, and the narrowing can push existing values past the former width that the target column declares in the configuration.
- Following the source treats the rename as the dualstep change, and the narrowing can push existing values past the tightened width that the target column declares in the configuration.
- Following the source treats the rename as the dualstep change, and the narrowing can push existing values past the former width that the target column declares in the configuration.
- Following the source treats the rename as the singlestep change, and the narrowing can push existing values past the tightened width that the target column declares in the configuration.