You are an enterprise application developer. An existing Smart Client timesheet application stores entries in a local Microsoft SQL Server database. An ASP.NET application implements the same functionality and stores entries in a corporate SQL Server database. You plan to synchronize the locally stored timesheet data with the corporate database whenever the Smart Client application is online. You make the following changes to the database schema: Add a timestamp column to the existing time entry table.Add a table named history. You need to ensure that your deployment strategy enables the Smart Client application to synchronize the existing time entries. What should you do?

A.
Replace the existing local database with the new version.

B.
Execute a script to create the history table and to alter the time entry table.

C.
Execute a script to create the history table and to remove and recreate the time entry table.

D.
Modify the configured connection string of the Smart Client application to access the corporate
SQL Server database.