Find a number that occurs exactly once in an array of integers. 1 < n[i] < 25
Developer Big Data Interview Questions
1,784 developer big data interview questions shared by candidates
During the HR round the question asked was give a large text file how to handle it to do the better search operations. No the answer was not using hashmaps but related to using the concepts of threads.
Explain the architectural differences between HBase, Cassandra and MongoDB
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
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