Crucial Exams

Microsoft Fabric Data Engineer Associate DP-700 Practice Question

You maintain an Eventhouse in Microsoft Fabric Real-Time Analytics. During a nightly ingestion job that uses the 'COPY INTO' command to load parquet files from a lakehouse table, the command fails and returns the following error:

"Cannot insert the value NULL into column 'event_id'; column does not allow nulls."

You confirm that the incoming parquet files do not contain the column event_id, but the Eventhouse table schema requires the column and has no default constraint. You want to complete the load without modifying the Eventhouse table definition. Which action will resolve the error for future runs while preserving data integrity?

  • Alter the Eventhouse table to change event_id to allow NULL values before running COPY INTO.

  • Add a column mapping in the COPY INTO command that populates event_id with a generated value (for example, newid()) for every ingested row.

  • Change COPY INTO to use the UPSERT option instead of INSERT so that missing columns are ignored.

  • Disable constraint checking by setting CHECK_CONSTRAINTS = OFF in the COPY INTO command options.

Microsoft Fabric Data Engineer Associate DP-700
Monitor and optimize an analytics solution
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