Data cleaning (also known as data preparation or data cleansing) takes up a large part of your work hours as a data analyst. When you answer this question, you can show the interviewer how you handle the process. You’ll want to explain how you handle missing data, duplicates, outliers,...
Data analysts don’t regularly need to write algorithms. But when they do, it might be something that can help them in data analysis. This data analyst interview question is such an example because it asks you to find the closest sum to the target. This or something similar is done using...
Solution of SQL Interview Question #2 The solution SQL query is: SELECT COUNT(*) FROM(SELECT user_id, COUNT(event_date_time) AS image_countFROM event_logGROUP BY user_id) AS image_per_userWHERE image_count < 2000 AND image_count > 1000; ...
Over-replication may occur in cases when after the shutdown of one particular node, the NameNode starts re-replication of data across new nodes, following which the node which was previously not available is restored. Test Your Practical Hadoop Knowledge Scenario Based Hadoop Interview Question - ...
With this question, the interviewer is gauging your interest in the position and the company. To you, it may be obvious that if you’re attending a second interview, you want the job— But the interviewer can’t be sure how much you really care. Maybe you’re just going from one inter...
In this article we teach you how to answer the tell me about yourself interview question like a pro. We give you a magic formula plus 15 sample answers for a range of jobs from accountant, finance analyst, NHS nurse, customer service representative and more. ...
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If you’re not able to listen properly to all of the questions asked, this can be a red flag – make sure you don’t lose track of the original question and go off on too much of a tangent. No accountability. Benjamin Stenson, the CEO of Norsemen says “When anything goes wrong ...
So, use this question to show your commitment to professional growth. We recommend choosing skills that are relevant to the job but not crucial to the role you're applying for. These might be good answers: Sample Answer 1: "I'm currently working on my data visualization skills. While I'...
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