Exit DATABRICKS-CERTIFIED-PROFESSIONAL-DATA-ENGINEER Databricks Certified Data Engineer Professional
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Q1 Single choice

A data engineer is performing a join operating to combine values from a static userlookup table with a streaming DataFrame streamingDF.

Which code block attempts to perform an invalid stream-static join?

  • A

    userLookup.join(streamingDF, ["userid"], how="inner")

  • B

    streamingDF.join(userLookup, ["user_id"], how="outer")

  • C

    streamingDF.join(userLookup, ["user_id"], how="left")

  • D

    streamingDF.join(userLookup, ["userid"], how="inner")

  • E

    userLookup.join(streamingDF, ["user_id"], how="right")

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