Questions that have appeared at snowflake for an engineering (Case Study) interview.

1. Database Architecture

Question: Can you explain, at a high level, how a cloud-based data warehousing solution like Snowflake works?

Question: How would you go about scaling a database to handle a sudden increase in traffic?

Question: How would you handle data redundancy and backup in a cloud-based database system?

2. Data Security

Question: How would you ensure data security when transferring data from on-premise databases to the cloud?

Question: What strategies would you suggest for managing access controls in a large-scale data warehouse?

Question: How would you handle a security breach in a cloud-based data warehouse system?

3. Performance Optimization

Question: How would you approach optimizing the performance of a large-scale data warehouse?

Question: What strategies would you employ to minimize the cost of cloud resources while maximizing database performance?

Question: How would you handle a situation where a database query is performing slower than expected?

4. Data Migration

Question: How would you approach migrating a large set of data from an on-premise database to the cloud?

Question: What factors would you consider when planning a data migration to ensure minimal downtime?

Question: How would you handle data consistency issues during a data migration process?