READ Free Dumps For Oracle- 1z0-898
Question ID 4616 | If a Persistence application locks entity x with a pessimistic lock, which statement is true? |
Option A | A. The Persistent provider will lock the database row(s) that correspond to all persistent fields of properties of an instance, including element collections. |
Option B | B. Only single table per class hierarchy mapping is supported with this lock type. |
Option C | C. A Persistence provider will lock the entity relationships for which the locked entity contains the foreign key. |
Option D | D. A separate lock statement must be called for each subclass in entity hierarchy. |
Correct Answer | C |