Câu 3: C2090-558: Informix 11.70 Fundamentals

Click the Exhibit button. In the exhibit, which statement is true regarding the update statement of Client 2 if both of the clients are connected to the same logged database?

1. A. Client 2 will update col2 of the rows having col1=20.
2. B. Client 2 will return successfully without updating any rows.
3. C. Client 2 will keep waiting for client 1 to finish its transaction.
4. D. Client 2 will get an error that the "record is locked" or the "table is locked". — đáp án hiện tại