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Interview questions
Delete vs. Truncate in Snowflake?
Explain Streams and Tasks in Snowflake.
Explain Time Travel in Snowflake.
Solve a coding question related to window functions using SQL and PySpark.
Write a query that ranks users by their total order amount within each region.
Can you explain how streams and tasks handle data freshness in near real-time?
What are Spark optimizations, and can you explain them?
How would you process Excel files with multiple sheets? Design the data pipeline.
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