Providence Global Center Senior Data Analyst Interview Questions and Answers

Q1. What are your salary expectations?
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Q2. Share details of your previous job.
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Q3. Why should we hire you?
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Q4. What are your strengths and weaknesses?
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Q5. Tell me about yourself.
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Math , gk, english

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Q1. Ai questions , java questions , coding questions
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Q1. Where do you see yourself in 5 years
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Q1. Self Introduction
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Q2. Salary Expectation
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Q1. 14 questions in excel formulas
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Q1. SQL related basic theory questions
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Q2. SQL coding test
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Q1. Expected Ctc ,current ctc,experience etc,etc
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Q1. System knowledge ,they see if your experience is usable.It’s a long round but if you are skilled and experience d enough ,it will be a breeze
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Q1. Interview based on your programming language , how good you know like java or python or scala
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Q2. Big data & Data science interview question like working of spark , Hive optimization of queries , what is graphx
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Q3. Explain your recent project in detail
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Q1. More deep dive in your expertise technologies like Spark DAG working explain
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Q2. How you do data validation in hive
Ans. 
Data validation in Hive involves using built-in functions and custom scripts to ensure data accuracy and consistency.
• Use built-in functions like IS NULL, IS NOT NULL, and COALESCE to check for missing or null values

• Use regular expressions and pattern matching to validate data formats

• Write custom scripts to perform more complex data validation tasks

• Perform data profiling to identify potential data quality issues

• Use data...read more
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Q1. Salary , why changing job etc..
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Q2. Your complete background of career
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Q1. What is CSS Sprite
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CSS Sprite is a technique used to combine multiple images into a single image to reduce the number of server requests.
• CSS Sprite helps in reducing loading time by reducing the number of HTTP requests.

• It involves combining multiple images into one larger image and then using CSS to display only the portion of the image needed.

• This technique is commonly used for icons, buttons, and other small images on websites.

• By using...read more
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Q2. Object Oriented Programming
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