Snowflake Certification Practice Test

Can results of previous queries be retrieved from cache in Snowflake?

1. True

2. False

3. Only with certain settings

4. Only during the same session

The correct answer is: True

In Snowflake, the ability to retrieve results of previous queries from cache is indeed a feature of the system. When a query is executed, Snowflake automatically caches the results. If an identical query is run again subsequently, and the underlying data has not changed, Snowflake can return the cached result without having to re-execute the query. This not only speeds up response time but also optimizes performance by reducing compute resource usage. This caching mechanism is highly beneficial for workloads that involve repeated or similar queries, allowing users to get results faster and more efficiently. For instance, in use cases where reports or dashboards are frequently updated, utilizing cached results can significantly enhance the user experience by delivering results quickly due to the absence of computational load. The other choices suggest limitations or exceptions that do not accurately represent how Snowflake's caching works. Snowflake's caching applies broadly to identical queries regardless of session context, as long as the data being queried hasn’t changed. Hence, the statement that results of previous queries can be retrieved from cache is true.