* B: Using partial DML statements (e.g., Database.insert(list, false)) allows only valid records to be committed while identifying invalid ones, avoiding runtime errors.
* D: The Database.Savepoint method ensures transactional control by allowing rollback to a specific savepoint if an error occurs.
Why not other options?
* A: The @ReadOnly annotation is for read-only operations and would not allow DML operations.
* C: The System.Limit class helps monitor limits but does not directly control transaction behavior.
References:
* Best Practices for Apex Transactions