Snowflake Interview Questions and Answers
Freshers / Beginner level questions & answers
Ques 1. What is a virtual warehouse in Snowflake?
A virtual warehouse in Snowflake is a compute resource used for running queries and performing data processing. It can be scaled up or down based on workload requirements.
Ques 2. What is a Snowflake role?
A role in Snowflake is a named set of privileges that can be granted to users or other roles. It helps in managing access control and permissions within the Snowflake environment.
Ques 3. What is the purpose of Snowflake's metadata services?
Snowflake's metadata services manage metadata related to objects stored in the data warehouse. This includes information about databases, tables, schemas, and user roles, facilitating efficient query optimization and execution.
Ques 4. Explain how Snowflake supports automatic scaling of resources.
Snowflake automatically scales resources up or down based on the workload, ensuring optimal performance and cost efficiency. This dynamic scaling capability allows the platform to handle varying workloads seamlessly.
Ques 5. Explain Snowflake's approach to handling metadata management and data dictionary.
Snowflake's metadata management includes a comprehensive data dictionary that stores metadata information about databases, tables, columns, and user roles. This metadata facilitates query optimization and execution.
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