フリー問題

問題文

The insurer's address rows arrive with a key that points at the customer they belong to. The developer is picking the columns for the address staging table and setting up what that key is for. Which pairing below states both of those correctly?

選択肢

1. Of the base object columns offered for a staging table, the two that the Schema Manager ticks for you and holds that way for good are the record identifier and the update date, and with the allowance for an empty foreign key switched off what the load turns away is the row itself.
2. Of the base object columns offered for a staging table, the two that the Schema Manager ticks for you and holds that way for good are the record identifier and the import date, and with the allowance for an empty foreign key switched off what the load turns away is the row itself.
3. Of the base object columns offered for a staging table, the two that the Schema Manager ticks for you and holds that way for good are the record identifier and the import date, and with the allowance for an empty foreign key switched off what the load turns away is the cell alone.
4. Of the base object columns offered for a staging table, the two that the Schema Manager ticks for you and holds that way for good are the record identifier and the update date, and with the allowance for an empty foreign key switched off what the load turns away is the cell alone.