Question

Question 1
To better understand customer needs and preferences, a data team merges a dataset of customer purchase histories with a dataset of customer demographics. What should the data team do to ensure the compatibility of the two datasets?



Apply a data structure



Map the data



Spotcheck for null values



Use a visualization


1 point

Answer 1

Map the data

Reason: mapping ensures matching keys/fields, consistent formats, and aligned variable semantics so the two datasets can be correctly joined.