フリー問題

問題文

Which statement produces an empty table that carries the same columns as an existing table?

選択肢

1. The copied structure comes from the SELECT projection naming the source, and the rows stay absent because the engine consequently performs the metadata copy during that step.
2. The copied structure comes from the SELECT projection naming the source, and the rows stay absent because the engine consequently performs the full reload during that step.
3. The copied structure comes from the LIKE clause naming the source, and the rows stay absent because the engine consequently performs the metadata copy during that step.
4. The copied structure comes from the LIKE clause naming the source, and the rows stay absent because the engine consequently performs the full reload during that step.