フリー問題

問題文

A user registers a data frame as a named view inside a session and finds that a colleague in another session cannot query that name. What distinguishes the two ways of naming a data set?

選択肢

1. A temporary view lives across every session of the deployment while a table is dropped at the end of a query.
2. A temporary view lives across every session of the deployment while a table is limited to the one user who first created it.
3. A temporary view lives with the session while writing a table keeps the rows of the frame in the metastore for a later use.
4. A temporary view lives with the session while writing a table records a pointer to the frame in the memory of the same session.