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070-516-VB PDF DEMO:

QUESTION NO: 1
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application connects to a Microsoft SQL Server database. The application has two DataTable objects that reference the Customers and Orders tables in the database. The application contains the following code segment. (Line numbers are included for reference only.)
01 Dim customerOrders As New DataSet()
02 customerOrders.EnforceConstraints = True
03 Dim ordersFK As New ForeignKeyConstraint("ordersFK",
04 customerOrders.Tables("Customers").Columns("CustomerID"),
05 customerOrders.Tables("Orders").Columns("CustomerID"))
06
07 customerOrders.Tables("Orders").Constraints.Add(ordersFK)
You need to ensure that an exception is thrown when you attempt to delete Customer records that have related Order records. Which code segment should you insert at line
06?
A. ordersFK.DeleteRule = Rule.SetDefault
B. ordersFK.DeleteRule = Rule.None
C. ordersFK.DeleteRule = Rule.SetNull
D. ordersFK.DeleteRule = Rule.Cascade
Answer: B

QUESTION NO: 2
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to develop an application that connects to a Microsoft SQL Server 2008 database. The application includes a SqlConnection named conn and a SqlCommand named cmd. You need to create a transaction so that database changes will be reverted in the event that an exception is thrown. Which code segment should you use?
A. Dim transaction = conn.BeginTransaction()
cmd.Transaction = transaction
Try
… transaction.Commit() Catch transaction.Rollback() End Try
B. Dim transaction = conn.BeginTransaction()
cmd.Transaction = transaction
Try
… transaction.Commit() Catch transaction.Dispose() End Try
C. Dim transaction = conn.BeginTransaction()
cmd.Transaction = transaction
Try
… Catch
transaction.Commit() End Try
D. Dim transaction = conn.BeginTransaction()
cmd.Transaction = transaction
Try
… transaction.Rollback() Catch transaction.Dispose() End Try
Answer: A

QUESTION NO: 3
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You use a TableAdapter object to load a DataTable object. The DataTable object is used as the data source for a GridView control to display a table of customer information on a Web page. You need to ensure that the application meets the following requirements:
- Load only new customer records each time the page refreshes.
- Preserve existing customer records.
What should you do?
A. Set the ClearBeforeFill property of the TableAdapter to false. Use the Fill method of the TableAdapter to load additional customers.
B. Set the ClearBeforeFill property of the TableAdapter to false. Use the GetData method of the TableAdapter to create a new DataTable.
C. Set the ClearBeforeFill property of the TableAdapter to true. Use the Fill method of the TableAdapter to load additional customers.
D. Set the ClearBeforeFill property of the TableAdapter to true. Use the GetData method of the TableAdapter to create a new DataTable.
Answer: A

QUESTION NO: 4
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application connects to a Microsoft SQL Server database and contains a
LINQ to SQL data model. The data model contains a function named createCustomer that calls a stored procedure. The stored procedure is also named createCustomer. The createCustomer function has the following signature. Sub New(customerID As Guid, customerName As [String], address1 As [String])
End Sub
The application contains the following the following code segment. (Line numbers are included for reference only.)
01 Dim context As New CustomDataContext()
02 Dim userID As Guid = Guid.NewGuid()
03 Dim address1 As [String] = "1 Main Street"
04 Dim name As [String] = "Marc"
05
You need to use the createCustomer stored procedure to add a customer to the database.
Which code segment should you insert at line 05?
A. context.createCustomer(userID, name , address1)
B. context.ExecuteCommand("createCustomer", userID, name , address1)
C. Dim customer As New Customer() context.ExecuteCommand("createCustomer", customer)
D. Dim customer As New Customer() context.ExecuteQuery(GetType(Customer),
"createCustomer", customer)
Answer: A

QUESTION NO: 5
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application uses the ADO.NET Entity Framework to manage customer and related order records. You add a new order for an existing customer. You need to associate the Order entity with the Customer entity. What should you do?
A. Set the Value property of the EntityReference of the Order entity.
B. Call the Add method on the EntityCollection of the Order entity.
C. Use the AddObject method of the ObjectContext to add both Order and Customer entities.
D. Use the Attach method of the ObjectContext to add both Order and Customer entities.
Answer: A

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Updated: May 25, 2022