BenchMark Quizzes by MDFT Pro

Identify Frequently Used Columns in Memory

You work for MDFT Pro, a well-known training agency that uses Microsoft Fabric for data analytics. Your Fabric tenant contains a semantic model that uses Direct Lake mode.

You suspect that some DAX queries are loading unnecessary columns into memory, which could impact performance. You need to identify which columns are frequently used and loaded into memory to optimize the model’s performance.

What should you do?

Choose all correct answers from the options below.

Explanations for each answer:

Use the Analyze in Excel feature is incorrect. The Analyze in Excel feature is used to analyze data in Excel, but it does not provide detailed information about column memory usage or column segment statistics.
Use the Vertipaq Analyzer tool is correct.
Query the DISCOVER_STORAGE_TABLE_COLUMN_SEGMENTS dynamic management view is correct.
Query the DISCOVER_MEMORYGRANT dynamic management view is incorrect. The DISCOVER_MEMORYGRANT DMV provides information about memory grants for queries, but it does not show which columns are frequently loaded into memory.

Learn more about Dynamic Management Views:

Dynamic Management Views

Exam Preparation Quiz

Identify Frequently Used Columns in Memory