I'm trying to insert a new field into a table and I'm getting the following error:
Saving changes is not permitted. The changes you have made require the following tables to be dropped and re-created. You have either made changes to a table that can't be re-created or enabled the option Prevent saving changes that require the table to be re-created.
You could right click on the table name in Object Explorer and generate a new create script from there to alter.
To import, see INSERT INTO SELECT FROM (http://www.w3schools.com/sql/sql_insert_into_select.asp)