MultipleChoice
There are two existing entities in the Real-time Customer Profile store: one profile record and one event.
Both the event schema and profile schema have 'email' as the primary identity. The _id is used to identify unique events.
Later, a data engineer ingests one additional profile fragment and another event:
Profile: ('email': 'john@example.com*. 'favBrand': 'Adobe')
Event: {''_id': '5000'. 'email': 'john@example.com'. 'purchase': 'Photoshop 2021')
A)
B)
C)
D)
Options