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Microsoft Fabric Data Engineer Associate DP-700 Practice Question

Your organization uses Microsoft Fabric. A lakehouse contains a Delta table named Sales totaling 20 TB spread across more than one million small Parquet files. Business users complain that queries that filter on the OrderDate and CustomerId columns take several minutes. You must improve scan performance without adding compute or changing application code. Which action should you perform on the table?

  • Set the table property delta.autoOptimize.optimizeWrite to true.

  • Execute OPTIMIZE Sales ZORDER BY (OrderDate, CustomerId).

  • Issue REFRESH TABLE Sales to reload the latest metadata.

  • Run VACUUM Sales RETAIN 0 HOURS to delete all obsolete files.

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