A customer frequently holds seminars and other events to interface with their customers.

A customer frequently holds seminars and other events to interface with their customers. They plan to do the following:

- Use Smart Capture forms to write data into event registration data extensions.

- Cross-reference the records in each registration data extension with corresponding invitation email sends.

- Send a follow-up email to customers who click on the registration link in the invitation email, but do not complete registration.

Which skill is needed to build an efficient solution?