Band:
  columns:
    name:
      type: string(200)
      notnull: true
      notblank: true
    formed: date

BandMember:
  columns:
    band_id:
      type: integer
      notnull: true
    name:
      type: string(200)
      notnull: true
      notblank: true
    role: string(200)
  relations:
    Band:
      foreignAlias: Members
      onUpdate: cascade
      onDelete: cascade