問題文
Two of the bank's systems each send a customer that the Hub has to line up under one master record. The administrator is asked what a cross-reference table gives the Hub as data comes in, and how much of each contributor's data one row of it holds. Which pair completes the sentence below correctly?
選択肢
- A cross-reference table lets the Hub reach a ROWID_OBJECT when it gets a key from a branch, and each row of it keeps the past cell values for the lineage.
- A cross-reference table lets the Hub reach a ROWID_OBJECT when it gets a key from a branch, and each row of it keeps the latest cell values for the lineage.
- A cross-reference table lets the Hub reach a ROWID_OBJECT when it gets a token from a batch, and each row of it keeps the past cell values for the lineage.
- A cross-reference table lets the Hub reach a ROWID_OBJECT when it gets a token from a batch, and each row of it keeps the latest cell values for the lineage.