Exam (elaborations)
Data Engineers (with Accurate Solutions)
- Course
- Institution
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 `1` WHERE city = "London" How would you correct the error? A. Add ", UNNEST(person)" bef...
[Show more]