One of the interviewees asked me unexpected questions which were totally unrelated to the technology. He put me in a situation that would require some analysis and articulation.
Senior Data Engineer Interview Questions
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SQL and coding questions in 1 hour using coderpad
I did a codility test which i got 100% on all sections, The codility consists of 3 sections, first two sections were SQL, and the last was a simple problem solving question (i used python).
Describe different data structures and explain time and space complexity.
Interview asked me to explain my previous projects?
I was asked to talk about my leadership style.
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”
Mi experience with cdc approach challenging
Algoritms and data structures for python and intermediate to advance SQL
Basic concept on architecture and coding question
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