フリー問題

問題文

The retailer needs the warehouse copy of an order table to begin from everything that exists today and then keep up with later changes with no window left uncovered. Which load type covers both halves at once?

選択肢

1. The combined type takes the partial baseline and then hands over to the change stream, so choosing the twophase type would leave the window between two runs uncovered in the configuration.
2. The combined type takes the partial baseline and then hands over to the change stream, so choosing the changeonly type would leave the window between two runs uncovered in the configuration.
3. The combined type takes the pointintime baseline and then hands over to the change stream, so choosing the twophase type would leave the window between two runs uncovered in the configuration.
4. The combined type takes the pointintime baseline and then hands over to the change stream, so choosing the changeonly type would leave the window between two runs uncovered in the configuration.