Microsoft Dynamics Development, Extensions, and Deployment (MB6-894) Practice Exam

Which statement correctly completes the method to update the Customer reference field on the Sales order table?

1. salesTable = SalesTable::find(_salesId); salesTable.CustomerRef = _customerRef; salesTable.update();

2. update_recordset salesTable setting CustomerRef=_customerRef where salesTable.salesid==_salesId;

3. salesTable = SalesTable::find(_salesId, true); salesTable.CustomerRef = _customerRef; salesTable.update();

4. update_recordset sales

The correct answer is: salesTable = SalesTable::find(_salesId, true); salesTable.CustomerRef = _customerRef; salesTable.update();

The chosen statement correctly completes the method to update the Customer reference field on the Sales order table because it accurately retrieves the Sales order record, modifies the specified field, and then ensures that this change is saved back to the database. In this option, the `SalesTable::find` method is used with two arguments; the first is the `_salesId`, which identifies the specific sales order to be updated. The second argument, set to `true`, ensures that the method retrieves the record in an updateable state. This is crucial in scenarios where you want to make changes to the record directly within the application. Following the retrieval of the sales order record, the statement updates the `CustomerRef` property with the new value provided in `_customerRef`. This direct assignment modifies the in-memory representation of the Sales order object. Finally, `salesTable.update()` is called to commit these changes to the database. This method ensures that the modification is persisted, adhering to the principles of data integrity and transactional consistency in Microsoft Dynamics. In contrast, other statements lack critical elements for successfully updating the record. For instance, the first option does not specify whether to load the record in an updateable state, which may lead to issues if the record is read-only.