单项选择题
A. Ensure that all statements execute in the same database transaction.
B. Create a stored procedure in the database that wraps the insert statements in a TRY CATCH block.
C. Create a stored procedure in the database that wraps the insertstatements in a TRANSACTION block.
D. Open a new connection to the database. Use a separate transaction scope to roll back the original operation.
单项选择题 You are designing a Windows Azure application that will store data in two SQL Azure databases. The application will insert data in both databases as part of a single logical operation. You need to recommend an approach for maintaining data consistency across the databases. What should you recommend？（）
单项选择题 An application connects to a SQL Azure database. The application occasionally loses the connection to the SQL Azure database. You need to recommend an approach for reliably completing data access operations. What should you recommend？（）
单项选择题 You are designing an application that will use Windows Azure Table storage to store millions of data points each day. The application must retain each day’s data for only one week. You need to recommend an approach for minimizing storage transactions. What should you recommend？（）