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CERTIFIED-DATA-ANALYST-ASSOCIATE · Question #5

A data engineer is working with a nested array column products in table transactions. They want to expand the table so each unique item in products for each row has its own row where the transaction_i

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Question

A data engineer is working with a nested array column products in table transactions. They want to expand the table so each unique item in products for each row has its own row where the transaction_id column is duplicated as necessary. They are using the following incomplete command:

Which of the following line of code can they use to fill in the blank in the above code block so that it successfully completes the task?

Options

  • Aarray distinct(produces)
  • Bexplode(produces)
  • Creduce(produces)
  • Darray(produces)
  • Eflatten(produces)

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