IBM Exam Questions

What are the three key steps in analyzing this field?

You are evaluating a Date of Birth field in a customer table. What are the three key steps in
analyzing this field?

A.
Ensure only binary values; Evaluate skews in frequency; Ensure no special characters.

B.
Ensure all unique values; Evaluate out-of-range in frequency; Ensure consistency in
format.

C.
Ensure no null values; Evaluate skews in frequency; Ensure consistency in format.

D.
Ensure no skews in frequency; Ensure only numeric values; Evaluate as a primary key.

Explanation: