Sams Teach Yourself ADO.NET in 24 Hours

Hour 19

Quiz Answers

1:	CommandBuilder will generate UPDATE and DELETE statements following which concurrency model? Pessimistic concurrency model Optimistic concurrency model Data update concurrency model
A1:	b. The optimistic concurrency model, which means that other users can update data that has been selected by your application and your application must check for this before committing your updates.
2:	True or false: Automatically generated commands will be created for all SelectCommands coded in Visual Basic or C#.
A2:	False. You must explicitly activate this capability by using the CommandBuilder object.
3:	What must be done following the change of a SELECT statement when using CommandBuilder to automatically generate code? Reassign SELECT variables ...