name: webinar_registrations
table: webinar_registrations
grain:
- registration_id
columns:
- name: registration_id
  type: number
- name: lead_id
  type: number
- name: registered_at
  type: time
  role: time
- name: webinar_id
  type: number
joins:
- to: leads
  'on': lead_id = leads.lead_id
  relationship: many_to_one
- to: webinars
  'on': webinar_id = webinars.webinar_id
  relationship: many_to_one