フリー問題

問題文

An analyst creates a view over a heavy join. What does the created view keep?

選択肢

1. The stored definition keeps the row image inside the metastore, and every later request consequently runs the underlying join once more.
2. The stored definition keeps the query text inside the metastore, and every later request consequently runs the cached copy once more.
3. The stored definition keeps the query text inside the metastore, and every later request consequently runs the underlying join once more.
4. The stored definition keeps the row image inside the metastore, and every later request consequently runs the cached copy once more.