Explain the architectural differences between HBase, Cassandra and MongoDB
Big Data Analyst Interview Questions
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data frame ,performance,..
Difference hive hbase
5 vs of big data
General question on big data
SQL Questions: 1. Types of joins 2. Aggregate functions when and where to apply. (Given a use case). 3. Do you have knowledge in Stocks, Bonds, Futures etc., 4. Where do u want to see yourself in next 5 years? (Don't know why they ask this question for a contractor) 5. How would you do business requirement analysis?
How can we find the second highest salary?
Different collections in Java
Different exceptions in Java
Write word count program in MapReduce
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