Exam DEA-C02 Topic 1 Question 75 Discussion

Actual exam question for Snowflake's DEA-C02 exam
Question #: 75
Topic #: 1
You have a 'WEB EVENTS' table that stores user activity on a website. It includes columns like 'USER ID, 'EVENT TYPE , EVENT TIMESTAMP, and 'PAGE URL'. You need to create a materialized view that calculates the number of distinct users visiting each page daily. You are also tasked with minimizing the impact on the underlying 'WEB EVENTS' table during materialized view refreshes, as other critical processes rely on it. Which of the following strategies would provide the MOST efficient solution, considering both performance and concurrency?

Suggested Answer: D Vote an answer

Option D provides the most efficient solution. Incremental refreshes are designed to efficiently update the materialized view with only the changes from the base table, minimizing the impact on the 'WEB_EVENTS' table. Options A, B and E might lock the table for longer periods. Option C is not a valid option in Snowflake. Option E is not efficient since it involves truncating and reloading the materialized view, consuming unnecessary resources and being potentially slow.

by Lance at Mar 12, 2026, 12:54 AM

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