Accenture Hadoop Interview Questions
- Describe a time when you found a new use case for existing database that had a positive impact on the business
- How you will move the entire MySQL database to Hadoop
- What is combiner and partition in MapReduce and where it takes place
- How you will optimize Hive queries
- What are the options available to copy a file from local server to Hadoop cluster
- What is the difference between group and co-group
- Why you use JDBC in Sqoop
- How to import a table without a primary key
- Which all analytical functions you have used in Hive
- Why we use bucketing