table 1: mongodb (trying to make it like as structured data for understanding)

id                   email                                      phone
123       [abc@gmail.com, def@rediff.com,xyz@live.com]      [12334,343534]

table 2: row wise - traditional sql db

id           email
123      abc@gmail.com
123      def@rediff.com
123      xyz@live.com
456      123@gmail.com
789      gkl@gmail.com