問題文
A developer at the co-op sets up the drill for a column survey and then has to pick a wrapper for a semi-structured member file. Which pairing correctly states what can happen to a column that was left out of the survey, and which semi-structured layout a flat file object can carry?
選択肢
- A column left out of the survey can still be reached when you drill, and the semi-structured layout that a flat file object can carry is Avro.
- A column left out of the survey can still be blocked when you drill, and the semi-structured layout that a flat file object can carry is JSON.
- A column left out of the survey can still be blocked when you drill, and the semi-structured layout that a flat file object can carry is Avro.
- A column left out of the survey can still be reached when you drill, and the semi-structured layout that a flat file object can carry is JSON.