Real questions from top companies · hard
How to Use Dataflow with BigQuery
How would you design a data model for an e-commerce platform?
How would you optimize a SQL query for better performance when working with large datasets?
In Python, process a large CSV in chunks and remove duplicate records based on email and timestamp.
Indexing - True/False question on indexes and query optimization
Kafka Basics - architecture, topics, partitions, producers, consumers, Zookeeper
Motivation for Joining Snowflake?
NoSQL Database - Cassandra fundamentals
Optimization Techniques Beyond Repartitioning and Caching
Optimization techniques - partitioning, caching, broadcast joins, bucketing
Optimization: Performance tuning strategies and temporal tables
Query Optimization Strategies
Query Performance in Redshift - optimization
Review Kafka fundamentals and concepts.
SQL Query Design: employees with highest salaries within each department
SQL Query Optimization techniques
Scenario: Query optimization for a large dataset.
Schema Design: Star vs. Snowflake schema differences
Share strategies for query and ETL optimization.
Snowflake Tech Stack: Deployment on Azure, cluster sizing considerations, and overall data warehouse design?
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