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- java coding for make list of anagram words from Array of word - data engineering question from my current projects - Spark, Hadoop, Java and AWS etc.. - data pipeline question which include data storing s3, filesystem and workflow management platform
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Senior Data Engineer

Interviewed at Twin Health

4.1★
Sep 15, 2021

- java coding for make list of anagram words from Array of word - data engineering question from my current projects - Spark, Hadoop, Java and AWS etc.. - data pipeline question which include data storing s3, filesystem and workflow management platform

1. Explain about your projects 2. What and how will optimise spark jobs in your work(Spark related questions) 3. How will justify reliability and durability of data 4. What is Lineage graph and check points in Spark 5. Explain Strategic of Spark Coding 1. Input is an array of integers. There is a sliding window of size W which is moving from the very left of the array to the very right. Each time the sliding window moves rightwards by one position. Find the maximum number from each window. Input array is [1, 3, -1, -3, 5, 3, 6, 7] and Sliding window (W) is 3. Output array is [3, 3, 5, 5, 6, 7] 2. Write a query to provide number of times an employee got increment and max increment he has got along with columns emp_id, emp_name, joining_date, dept_name Additional info: a. An emp may not be tagged to any dept b. An emp may not have got any hike Emp table emp_id | emp_name | joining_date | Dept_id Dept table dept_id | dept_name | Dept_Location | Dept_Manager salary_increase table emp_id | increment_date | inc_amount 3. Write a Python program to find element in a list from current element to next index list is ["Mon","Tue","Wed","Thu","Fri","Sat","Sun"] If current element is “Wed” and next index is 2, result is “Fri” If current element is “Sat” and next index is 23 (cyclic), result is “Mon”
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Senior Data Engineer

Interviewed at NIKE

3.9★
Sep 16, 2021

1. Explain about your projects 2. What and how will optimise spark jobs in your work(Spark related questions) 3. How will justify reliability and durability of data 4. What is Lineage graph and check points in Spark 5. Explain Strategic of Spark Coding 1. Input is an array of integers. There is a sliding window of size W which is moving from the very left of the array to the very right. Each time the sliding window moves rightwards by one position. Find the maximum number from each window. Input array is [1, 3, -1, -3, 5, 3, 6, 7] and Sliding window (W) is 3. Output array is [3, 3, 5, 5, 6, 7] 2. Write a query to provide number of times an employee got increment and max increment he has got along with columns emp_id, emp_name, joining_date, dept_name Additional info: a. An emp may not be tagged to any dept b. An emp may not have got any hike Emp table emp_id | emp_name | joining_date | Dept_id Dept table dept_id | dept_name | Dept_Location | Dept_Manager salary_increase table emp_id | increment_date | inc_amount 3. Write a Python program to find element in a list from current element to next index list is ["Mon","Tue","Wed","Thu","Fri","Sat","Sun"] If current element is “Wed” and next index is 2, result is “Fri” If current element is “Sat” and next index is 23 (cyclic), result is “Mon”

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