Which of the following statements is incorrect with regard to ADO?

Which one is not a member of the CommandType enumeration?

Which statement is incorrect with regard to a CommandBuilder object?

Which statement with regard to DataSet is correct?

When users edit data in your program, the code runs to completion without error, but no data changes appear in the database. You test the update query and the connection string that you are passing to the procedure, and they both work correctly. What changes do you need to make to your code to ensure that data changes appear in the database?

We are iterating through the results received in a data reader named 'DReaderOrder,' which is created by using connection 'SqlCon.' In between, we need to retrieve some more values from the database, so we executed another command using 'SqlCon,' to get the results in another data reader 'DReaderProduct.' What will happen if we use ADO.NET 1.1?

Asynchronous execution is supported in ADO.NET 2.0 for ExecuteReader, ExecuteScalar, and ExecuteNonQuery.

Which statements are correct? (a)SQL statements are generally faster than stored procedures (b)The database engine works out the execution plan for SQL statements at run time

Read the following statements: OleDbDataAdapter oOrderDetailsDataAdapter; OleDbCommandBuilder oOrderDetailsCmdBuilder = New OleDbCommandBuilder(oOrderDetailsDataAdapter); oOrderDetailsDataAdapter.FillSchema(oDS, SchemaType.Source); What is wrong in this code?

How can you make a data reader close connection automatically?

You have defined a command named 'cmdA' and an open connection named 'con'. You created a new transaction: Dim trans As SqlClient.SqlTransaction = Nothing How will you assign the command to the transaction and begin the transaction?