15/Sep/2020 | 10 minutes to read
bigdata
Here is a List of essential HBase Interview Questions and Answers for Freshers and mid level of Experienced Professionals. All answers for these HBase questions are explained in a simple and easiest way. These basic, advanced and latest HBase questions will help you to clear your next Job interview.
These interview questions are targeted for the HBase database. You must know the answers of these frequently asked HBase interview questions to clear your next Big Data Job interview.
1. What is HBase? Explain its usage.
HBase is an open-source, column oriented, non-relational, distributed database management system. It runs on the top of
HDFS (Hadoop Distributed File System).
HBase supports a fault-tolerant way of storing the sparse data sets (A data in which a high percentage of variable's cells does not have actual data means they are empty or unimportant
information), which helps in Big data queries. For example finding the largest 50 records from a group of 2 billion records.
2. What is the difference between HBase and Hadoop/HDFS?
3. When to use Hadoop, HBase, Hive and Pig? Explain it?
4. What is the difference between HBase and Hadoop/HDFS?
5. How will you clear a table in HBase?
6. What is the equivalent of SQL LIMIT in HBase?
7. Which features of the CAP theorem, HBase follows?
8. What are the different types of filters in HBase?
9. Why is HBase a better choice than Cassandra with Hadoop?
10. What is the scan command in HBase?
11. Give CRUD operations examples using HBase Shell.
12. How to enable and disable a table using HBase Shell?
13. How to list all tables in HBase?
14. What is the difference between drop and drop_all commands?
15. How to verify a table is disabled or enabled in HBase?
16. Explain some DML commands in HBase.
17. How to get information about the user?
18. Explain HBase Architecture.
19. Explain Key and Rowkey design principles.
20. Explain Hotspotting in HBase. How to avoid it?
21. Explain splitting in HBase.
1. How much will you rate yourself in HBase?
When you attend an interview, Interviewer may ask you to rate yourself in a specific Technology like HBase, So It's depend on your knowledge and work experience in HBase.
2. What challenges did you face while working on HBase?
This question may be specific to your technology and completely depends on your past work experience. So you need to just explain the challenges you faced related to HBase in your Project.
3. What was your role in the last Project related to HBase?
It's based on your role and responsibilities assigned to you and what functionality you implemented using HBase in your project. This question is generally asked in every interview.
4. How much experience do you have in HBase?
Here you can tell about your overall work experience on HBase.
5. Have you done any HBase Certification or Training?
It depends on the candidate whether you have done any HBase training or certification. Certifications or training are not essential but good to have.
We have covered some frequently asked HBase Interview Questions and Answers to help you for your Interview. All these Essential HBase Interview Questions are targeted for mid level of experienced Professionals and freshers.
While attending any HBase Interview if you face any difficulty to answer any question please write to us at info@qfles.com. Our IT Expert team will find the best answer and will update on the portal. In case we find any new HBase questions, we will update the same here.