フリー問題

問題文

A session runs several plain SELECT statements inside one transaction on InnoDB, and no level of separation is named anywhere. What do the later reads see?

選択肢

1. Those later reads therefore see the partly finished writes for the rest of that transaction.
2. Those later reads therefore see the strictly serialized sequence for the rest of that transaction.
3. Those later reads therefore see the freshest committed rows for the rest of that transaction.
4. Those later reads therefore see the snapshot taken initially for the rest of that transaction.