Suppose you create a Business Data Catalog (BDC) definition to search for product information within a database. How will you ensure that incremental crawls for indexing can be performed in the database?

Question:Suppose you create a Business Data Catalog (BDC) definition to search for product information within a database. How will you ensure that incremental crawls for indexing can be performed in the database?

1.By creating a genericinvoker method

2.By defininge an IDEnumerator method that has a return field that represents the last update time of the entity instance in the database

3.By creating a finder method

4.By creating a ViewAccessor method to return a different set of fields from the database

Answer:2