[28/July/2018 Updated] PassLeader Valid 80q Professional Data Engineer Exam Dumps with New Added Questions and Answers (Part A)

New Updated Professional Data Engineer Exam Questions from PassLeader Professional Data Engineer PDF dumps! Welcome to download the newest PassLeader Professional Data Engineer VCE dumps: https://www.passleader.com/professional-data-engineer.html (80 Q&As)

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NEW QUESTION 1
Suppose you have a table that includes a nested column called “city” inside a column called “person”, but when you try to submit the following query in BigQuery, it gives you an error:
SELECT person FROM `project1.example.table1` WHERE city = “London”
How would you correct the error?

A.    Add “, UNNEST(person)” before the WHERE clause.
B.    Change “person” to “person.city”.
C.    Change “person” to “city.person”.
D.    Add “, UNNEST(city)” before the WHERE clause.