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DP-203 · Question #207

You are designing a folder structure for the files in an Azure Data Lake Storage Gen2 account. The account has one container that contains three years of data. You need to recommend a folder…

The correct answer is B. \Department\DataSource\YYYY\MM\DataFile_YYYYMMDD.parquet. Department top level in the hierarchy to simplify security management. Month (MM) at the leaf/bottom level to support fast data retrieval for data from the current month.

Submitted by anna_se· Mar 30, 2026Design and implement data storage

Question

You are designing a folder structure for the files in an Azure Data Lake Storage Gen2 account. The account has one container that contains three years of data. You need to recommend a folder structure that meets the following requirements:

  • Supports partition elimination for queries by Azure Synapse Analytics

serverless SQL pools

  • Supports fast data retrieval for data from the current month
  • Simplifies data security management by department

Which folder structure should you recommend?

Options

  • A\YYY\MM\DD\Department\DataSource\DataFile_YYYMMMDD.parquet
  • B\Department\DataSource\YYYY\MM\DataFile_YYYYMMDD.parquet
  • C\DD\MM\YYYY\Department\DataSource\DataFile_DDMMYY.parquet
  • D\DataSource\Department\YYYYMM\DataFile_YYYYMMDD.parquet

How the community answered

(29 responses)
  • A
    10% (3)
  • B
    83% (24)
  • C
    3% (1)
  • D
    3% (1)

Explanation

Department top level in the hierarchy to simplify security management. Month (MM) at the leaf/bottom level to support fast data retrieval for data from the current month.

Topics

#ADLS Gen2 folder structure#partition elimination#department security#data retrieval

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