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Top Big Data Interview Questions for 2025

Pickl AI

Familiarise yourself with essential tools like Hadoop and Spark. What are the Main Components of Hadoop? Hadoop consists of the Hadoop Distributed File System (HDFS) for storage and MapReduce for processing data across distributed systems. What is the Role of a NameNode in Hadoop ?

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What are the Biggest Challenges with Migrating to Snowflake?

phData

The tool converts the templated configuration into a set of SQL commands that are executed against the target Snowflake environment. Manually converting this code to work in Snowflake can be very challenging with differences in data processing paradigms, query languages, and overall system architecture. We have you covered !

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