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Databricks Certified Data Engineer Associate
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Question #8
#8
Multiple Choice
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Which of the following commands will return the number of null values in the member_id column?
A.
SELECT count(member_id) FROM my_table;
B.
SELECT count(member_id) - count_null(member_id) FROM my_table;
C.
SELECT count_if(member_id IS NULL) FROM my_table;
D.
SELECT null(member_id) FROM my_table;
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Exam CERTIFIED-DATA-ENGINEER-ASSOCIATE Topic 1 Question 8
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